Colour

#1C2D4B

#1C2D4B
Blue
Dark
Nearest: Dark slate grey

#1C2D4B is a blue with RGB values 28, 45, 75 and HSL 218°, 46%, 20%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1C2D4B#1C2D4B

HEX#1C2D4B

RGBrgb(28, 45, 75)

RGB (0–1)0.1098, 0.1765, 0.2941

RGB percentages11%, 17.6%, 29.4%

HSLhsl(218.3, 45.6%, 20.2%)

HSV / HSBhsv(218.3, 62.7%, 29.4%)

CMYK62.7%, 40%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,846,603

CSS custom property--colour: #1C2D4B;

Brightness & contrast

Relative luminance0.02632WCAG 2.x, 0 is black and 1 is white

Perceived brightness45.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.76:1

Contrast with white13.76:1WCAG normal text: AAA

Contrast with black1.53:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#E3D2B4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#212F4Cno red cones; affects about 1% of men; ΔE 1.5 from the original

Deuteranopia#1B2B4Ano green cones; the most common form, about 1% of men; ΔE 1.3 from the original

Tritanopia#003438no blue cones; rare, and affects men and women equally; ΔE 22.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.76:1WCAG large text: AAA

Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 26.2 Black · ΔE 28 Dark slateblue · ΔE 33.4 Dim grey · ΔE 33.4 Slate grey · ΔE 36.3 Steel blue · ΔE 36.7

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 26.19, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4B3A1C

Analogous#1C444B, #231C4B

Triadic#4B1C2D, #2D4B1C

Split complementary#4B231C, #444B1C

Tetradic#4B1C44, #4B3A1C, #1C4B23

Tints, shades & saturation

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

Lighter +40%#6B8DC8

Lighter +30%#4670BA

Lighter +20%#385A95

Lighter +10%#2A4370

Darker −10%#0E1726

Darker −20%#000001

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0F2958

Less saturated −25%#29313E

Channel breakdown

R28

G45

B75

Red28 (11%)

Green45 (17.6%)

Blue75 (29.4%)

Hue218.3°

Saturation (HSL)45.63%

Lightness20.2%

Dominant channelBlue

Hex per channelR 1C · G 2D · B 4B

Keep nerding

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

#1C2D4B

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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