Colour

#043B51

#043B51
Cyan
Dark
Nearest: Dark slate grey

#043B51 is a cyan with RGB values 4, 59, 81 and HSL 197°, 91%, 17%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#043B51#043B51

HEX#043B51

RGBrgb(4, 59, 81)

RGB (0–1)0.0157, 0.2314, 0.3176

RGB percentages1.6%, 23.1%, 31.8%

HSLhsl(197.1, 90.6%, 16.7%)

HSV / HSBhsv(197.1, 95.1%, 31.8%)

CMYK95.1%, 27.2%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer277,329

CSS custom property--colour: #043B51;

Brightness & contrast

Relative luminance0.03748WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12:1

Contrast with white12:1WCAG normal text: AAA

Contrast with black1.75:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#FBC4AE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#303A52no red cones; affects about 1% of men; ΔE 10.8 from the original

Deuteranopia#263351no green cones; the most common form, about 1% of men; ΔE 12.1 from the original

Tritanopia#004142no blue cones; rare, and affects men and women equally; ΔE 15.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12:1WCAG large text: AAA

Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.1 Dim grey · ΔE 29.1 Black · ΔE 30.1 Slate grey · ΔE 31.4 Steel blue · ΔE 33 Light slate grey · ΔE 34.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.11, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#511A04

Analogous#045140, #041551

Triadic#51043B, #3B5104

Split complementary#510415, #514004

Tetradic#400451, #511A04, #155104

Tints, shades & saturation

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

Lighter +40%#2CBBF5

Lighter +30%#0BA5E3

Lighter +20%#0982B2

Lighter +10%#065E82

Darker −10%#021820

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003D55

Less saturated −25%#0F3646

Channel breakdown

G59

B81

Red4 (1.6%)

Green59 (23.1%)

Blue81 (31.8%)

Hue197.14°

Saturation (HSL)90.59%

Lightness16.67%

Dominant channelBlue

Hex per channelR 04 · G 3B · B 51

Keep nerding

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

#043B51

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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