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Colour

#00424D

  • #00424D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#00424D is a cyan with RGB values 0, 66, 77 and HSL 189°, 100%, 15%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#00424D#00424D
HEX#00424D
RGBrgb(0, 66, 77)
RGB (0–1)0, 0.2588, 0.302
RGB percentages0%, 25.9%, 30.2%
HSLhsl(188.6, 100%, 15.1%)
HSV / HSBhsv(188.6, 100%, 30.2%)
CMYK100%, 14.3%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,973
CSS custom property--colour: #00424D;

Brightness & contrast

Relative luminance0.04432WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.13:1
Contrast with white11.13:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#FFBDB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A3F4Eno red cones; affects about 1% of men; ΔE 16.1 from the original
Deuteranopia#30384Dno green cones; the most common form, about 1% of men; ΔE 16.8 from the original
Tritanopia#004645no blue cones; rare, and affects men and women equally; ΔE 8.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.13:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.6Dim grey · ΔE 26.7Teal · ΔE 27.7Slate grey · ΔE 30.3Black · ΔE 31.1Dark cyan · ΔE 32
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.55, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D0B00
Analogous#004D31, #001C4D
Triadic#4D0042, #424D00
Split complementary#4D001C, #4D3100
Tetradic#31004D, #4D0B00, #1C4D00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1ADEFF
Lighter +30%#00C5E6
Lighter +20%#0099B3
Lighter +10%#006E80
Darker −10%#00161A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00424D
Less saturated −25%#0A3B43

Channel breakdown

R0
G66
B77
Red0 (0%)
Green66 (25.9%)
Blue77 (30.2%)
Hue188.57°
Saturation (HSL)100%
Lightness15.1%
Dominant channelBlue
Hex per channelR 00 · G 42 · B 4D

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Every value on this page was computed from “00424d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.