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Recognised as Colour

#03424B

  • #03424B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#03424B is a cyan with RGB values 3, 66, 75 and HSL 188°, 92%, 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

#03424B#03424B
HEX#03424B
RGBrgb(3, 66, 75)
RGB (0–1)0.0118, 0.2588, 0.2941
RGB percentages1.2%, 25.9%, 29.4%
HSLhsl(187.5, 92.3%, 15.3%)
HSV / HSBhsv(187.5, 96%, 29.4%)
CMYK96%, 12%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer213,579
CSS custom property--colour: #03424B;

Brightness & contrast

Relative luminance0.04424WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.14:1
Contrast with white11.14:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#FCBDB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B3F4Cno red cones; affects about 1% of men; ΔE 16.3 from the original
Deuteranopia#31394Bno green cones; the most common form, about 1% of men; ΔE 16.2 from the original
Tritanopia#004645no blue cones; rare, and affects men and women equally; ΔE 7.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.14:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.7Dim grey · ΔE 26.4Teal · ΔE 27.4Slate grey · ΔE 30.4Black · ΔE 30.8Dark cyan · ΔE 31.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.71, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B0C03
Analogous#034B30, #031E4B
Triadic#4B0342, #424B03
Split complementary#4B031E, #4B3003
Tetradic#30034B, #4B0C03, #1E4B03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#24DCF6
Lighter +30%#09C3DE
Lighter +20%#0798AD
Lighter +10%#056D7C
Darker −10%#01171A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00444E
Less saturated −25%#0D3B41

Channel breakdown

R3
G66
B75
Red3 (1.2%)
Green66 (25.9%)
Blue75 (29.4%)
Hue187.5°
Saturation (HSL)92.31%
Lightness15.29%
Dominant channelBlue
Hex per channelR 03 · G 42 · B 4B

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Every value on this page was computed from “03424b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.