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Colour

#04657E

  • #04657E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#04657E is a cyan with RGB values 4, 101, 126 and HSL 192°, 94%, 25%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#04657E#04657E
HEX#04657E
RGBrgb(4, 101, 126)
RGB (0–1)0.0157, 0.3961, 0.4941
RGB percentages1.6%, 39.6%, 49.4%
HSLhsl(192.3, 93.8%, 25.5%)
HSV / HSBhsv(192.3, 96.8%, 49.4%)
CMYK96.8%, 19.8%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer288,126
CSS custom property--colour: #04657E;

Brightness & contrast

Relative luminance0.1084WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.63:1
Contrast with white6.63:1WCAG normal text: AA
Contrast with black3.17:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#FB9A81

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#57627Fno red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#48587Eno green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#006D6Dno blue cones; rare, and affects men and women equally; ΔE 17.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.63:1WCAG large text: AAA
Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 19.3Steel blue · ΔE 20.5Teal · ΔE 20.6Slate grey · ΔE 21.4Light slate grey · ΔE 23.2Dark cyan · ΔE 23.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.26, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7E1D04
Analogous#047E5A, #04287E
Triadic#7E0465, #657E04
Split complementary#7E0428, #7E5A04
Tetradic#5A047E, #7E1D04, #287E04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#54D8FA
Lighter +30%#23CCF8
Lighter +20%#07B4E1
Lighter +10%#068DAF
Darker −10%#023D4D
Darker −20%#01161B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#006782
Less saturated −25%#145B6E

Channel breakdown

R4
G101
B126
Red4 (1.6%)
Green101 (39.6%)
Blue126 (49.4%)
Hue192.3°
Saturation (HSL)93.85%
Lightness25.49%
Dominant channelBlue
Hex per channelR 04 · G 65 · B 7E

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Every value on this page was computed from “04657e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.