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Colour

#003D4B

  • #003D4B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#003D4B is a cyan with RGB values 0, 61, 75 and HSL 191°, 100%, 15%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#003D4B#003D4B
HEX#003D4B
RGBrgb(0, 61, 75)
RGB (0–1)0, 0.2392, 0.2941
RGB percentages0%, 23.9%, 29.4%
HSLhsl(191.2, 100%, 14.7%)
HSV / HSBhsv(191.2, 100%, 29.4%)
CMYK100%, 18.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,691
CSS custom property--colour: #003D4B;

Brightness & contrast

Relative luminance0.03845WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.87:1
Contrast with white11.87:1WCAG normal text: AAA
Contrast with black1.77:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#FFC2B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#343B4Cno red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#2B344Bno green cones; the most common form, about 1% of men; ΔE 15.1 from the original
Tritanopia#004241no blue cones; rare, and affects men and women equally; ΔE 11.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.87:1WCAG large text: AAA
Contrast with black, large text1.77:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.7Dim grey · ΔE 27.8Black · ΔE 29.3Teal · ΔE 30.7Slate grey · ΔE 31.4Light slate grey · ΔE 34.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.72, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B0E00
Analogous#004B34, #00174B
Triadic#4B003D, #3D4B00
Split complementary#4B0017, #4B3300
Tetradic#34004B, #4B0E00, #184B00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#18D4FF
Lighter +30%#00B9E4
Lighter +20%#0090B1
Lighter +10%#00667E
Darker −10%#001418
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003D4B
Less saturated −25%#093742

Channel breakdown

R0
G61
B75
Red0 (0%)
Green61 (23.9%)
Blue75 (29.4%)
Hue191.2°
Saturation (HSL)100%
Lightness14.71%
Dominant channelBlue
Hex per channelR 00 · G 3D · B 4B

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Every value on this page was computed from “003d4b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.