Recognised as Colour

#251C45

#251C45
Blue
Dark
Nearest: Dark slateblue

#251C45 is a blue with RGB values 37, 28, 69 and HSL 253°, 42%, 19%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#251C45#251C45

HEX#251C45

RGBrgb(37, 28, 69)

RGB (0–1)0.1451, 0.1098, 0.2706

RGB percentages14.5%, 11%, 27.1%

HSLhsl(253.2, 42.3%, 19%)

HSV / HSBhsv(253.2, 59.4%, 27.1%)

CMYK46.4%, 59.4%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,432,069

CSS custom property--colour: #251C45;

Brightness & contrast

Relative luminance0.01653WCAG 2.x, 0 is black and 1 is white

Perceived brightness37.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.78:1

Contrast with white15.78:1WCAG normal text: AAA

Contrast with black1.33:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#DAE3BA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#092346no red cones; affects about 1% of men; ΔE 11.1 from the original

Deuteranopia#0B2244no green cones; the most common form, about 1% of men; ΔE 11 from the original

Tritanopia#1C252Dno blue cones; rare, and affects men and women equally; ΔE 25.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.78:1WCAG large text: AAA

Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.6 Midnight blue · ΔE 29.6 Black · ΔE 32.3 Dark slate grey · ΔE 39 Rebecca purple · ΔE 40 Dim grey · ΔE 42.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.58, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#3C451C

Analogous#1C2745, #3A1C45

Triadic#45251C, #1C4525

Split complementary#453A1C, #27451C

Tetradic#451C27, #3C451C, #1C453A

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#7E6AC3

Lighter +30%#5F48B2

Lighter +20%#4C398E

Lighter +10%#382B69

Darker −10%#120D21

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1E1051

Less saturated −25%#2C2839

Channel breakdown

R37

G28

B69

Red37 (14.5%)

Green28 (11%)

Blue69 (27.1%)

Hue253.17°

Saturation (HSL)42.27%

Lightness19.02%

Dominant channelBlue

Hex per channelR 25 · G 1C · B 45

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#251C45

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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