Colour

#003451

#003451
Blue
Dark
Nearest: Dark slate grey

#003451 is a blue with RGB values 0, 52, 81 and HSL 201°, 100%, 16%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#003451#003451

HEX#003451

RGBrgb(0, 52, 81)

RGB (0–1)0, 0.2039, 0.3176

RGB percentages0%, 20.4%, 31.8%

HSLhsl(201.5, 100%, 15.9%)

HSV / HSBhsv(201.5, 100%, 31.8%)

CMYK100%, 35.8%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,393

CSS custom property--colour: #003451;

Brightness & contrast

Relative luminance0.0305WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.04:1

Contrast with white13.04:1WCAG normal text: AAA

Contrast with black1.61:1WCAG normal text: Fail

Greyscale equivalent#2B2B2B

Inverted#FFCBAE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#263552no red cones; affects about 1% of men; ΔE 7.4 from the original

Deuteranopia#1B2E50no green cones; the most common form, about 1% of men; ΔE 8.2 from the original

Tritanopia#003B3Eno blue cones; rare, and affects men and women equally; ΔE 19.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.04:1WCAG large text: AAA

Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23 Black · ΔE 30.1 Dim grey · ΔE 32.9 Steel blue · ΔE 33.8 Slate grey · ΔE 34.6 Dark slateblue · ΔE 37.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 22.95, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#511D00

Analogous#005146, #000B51

Triadic#510034, #345100

Split complementary#51000B, #514500

Tetradic#460051, #511D00, #0C5100

Tints, shades & saturation

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

Lighter +40%#1EAEFF

Lighter +30%#0096EA

Lighter +20%#0075B7

Lighter +10%#005584

Darker −10%#00131E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003451

Less saturated −25%#0A3147

Channel breakdown

G52

B81

Red0 (0%)

Green52 (20.4%)

Blue81 (31.8%)

Hue201.48°

Saturation (HSL)100%

Lightness15.88%

Dominant channelBlue

Hex per channelR 00 · G 34 · B 51

Keep nerding

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

#003451

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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