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Recognised as Colour

#04455E

  • #04455E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#04455E is a cyan with RGB values 4, 69, 94 and HSL 197°, 92%, 19%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#04455E#04455E
HEX#04455E
RGBrgb(4, 69, 94)
RGB (0–1)0.0157, 0.2706, 0.3686
RGB percentages1.6%, 27.1%, 36.9%
HSLhsl(196.7, 91.8%, 19.2%)
HSV / HSBhsv(196.7, 95.7%, 36.9%)
CMYK95.7%, 26.6%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer279,902
CSS custom property--colour: #04455E;

Brightness & contrast

Relative luminance0.0509WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.41:1
Contrast with white10.41:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#FBBAA1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#38445Fno red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#2D3C5Eno green cones; the most common form, about 1% of men; ΔE 13.4 from the original
Tritanopia#004C4Dno blue cones; rare, and affects men and women equally; ΔE 17.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.41:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.1Dim grey · ΔE 27.9Slate grey · ΔE 28.3Steel blue · ΔE 28.6Light slate grey · ΔE 30.9Teal · ΔE 31.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.12, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5E1D04
Analogous#045E4A, #04185E
Triadic#5E0445, #455E04
Split complementary#5E0418, #5E4A04
Tetradic#4A045E, #5E1D04, #185E04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#37C1F7
Lighter +30%#0AB1F1
Lighter +20%#088DC0
Lighter +10%#06698F
Darker −10%#02212D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004762
Less saturated −25%#104052

Channel breakdown

R4
G69
B94
Red4 (1.6%)
Green69 (27.1%)
Blue94 (36.9%)
Hue196.67°
Saturation (HSL)91.84%
Lightness19.22%
Dominant channelBlue
Hex per channelR 04 · G 45 · B 5E

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Every value on this page was computed from “04455e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.