Colour

#042D5E

#042D5E
Blue
Dark
Nearest: Dark slateblue

#042D5E is a blue with RGB values 4, 45, 94 and HSL 213°, 92%, 19%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#042D5E#042D5E

HEX#042D5E

RGBrgb(4, 45, 94)

RGB (0–1)0.0157, 0.1765, 0.3686

RGB percentages1.6%, 17.6%, 36.9%

HSLhsl(212.7, 91.8%, 19.2%)

HSV / HSBhsv(212.7, 95.7%, 36.9%)

CMYK95.7%, 52.1%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer273,758

CSS custom property--colour: #042D5E;

Brightness & contrast

Relative luminance0.02711WCAG 2.x, 0 is black and 1 is white

Perceived brightness46.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.62:1

Contrast with white13.62:1WCAG normal text: AAA

Contrast with black1.54:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#FBD2A1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0F3260no red cones; affects about 1% of men; ΔE 3.4 from the original

Deuteranopia#002A5Dno green cones; the most common form, about 1% of men; ΔE 2.2 from the original

Tritanopia#003941no blue cones; rare, and affects men and women equally; ΔE 31.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.62:1WCAG large text: AAA

Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23.5 Midnight blue · ΔE 29.2 Steel blue · ΔE 35.7 Dark slate grey · ΔE 37.3 Black · ΔE 38.8 Rebecca purple · ΔE 40.2

Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.54, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5E3504

Analogous#045A5E, #08045E

Triadic#5E042D, #2D5E04

Split complementary#5E0804, #5A5E04

Tetradic#5E045A, #5E3504, #045E08

Tints, shades & saturation

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

Lighter +40%#378FF7

Lighter +30%#0A73F1

Lighter +20%#085CC0

Lighter +10%#06448F

Darker −10%#02162D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002D62

Less saturated −25%#102E52

Channel breakdown

G45

B94

Red4 (1.6%)

Green45 (17.6%)

Blue94 (36.9%)

Hue212.67°

Saturation (HSL)91.84%

Lightness19.22%

Dominant channelBlue

Hex per channelR 04 · G 2D · B 5E

Keep nerding

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

#042D5E

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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