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Recognised as Colour

#02454B

  • #02454B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#02454B is a cyan with RGB values 2, 69, 75 and HSL 185°, 95%, 15%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#02454B#02454B
HEX#02454B
RGBrgb(2, 69, 75)
RGB (0–1)0.0078, 0.2706, 0.2941
RGB percentages0.8%, 27.1%, 29.4%
HSLhsl(184.9, 94.8%, 15.1%)
HSV / HSBhsv(184.9, 97.3%, 29.4%)
CMYK97.3%, 8%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer148,811
CSS custom property--colour: #02454B;

Brightness & contrast

Relative luminance0.04777WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.74:1
Contrast with white10.74:1WCAG normal text: AAA
Contrast with black1.96:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#FDBAB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E424Bno red cones; affects about 1% of men; ΔE 17.2 from the original
Deuteranopia#353B4Bno green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#004947no blue cones; rare, and affects men and women equally; ΔE 6.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.74:1WCAG large text: AAA
Contrast with black, large text1.96:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.7Teal · ΔE 25.5Dim grey · ΔE 26.1Dark cyan · ΔE 29.8Slate grey · ΔE 30.3Black · ΔE 32.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.72, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B0802
Analogous#024B2D, #02204B
Triadic#4B0245, #454B02
Split complementary#4B0220, #4B2D02
Tetradic#2D024B, #4B0802, #204B02

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#20E7F9
Lighter +30%#06CEE0
Lighter +20%#05A0AE
Lighter +10%#03737D
Darker −10%#011719
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00474D
Less saturated −25%#0C3D41

Channel breakdown

R2
G69
B75
Red2 (0.8%)
Green69 (27.1%)
Blue75 (29.4%)
Hue184.93°
Saturation (HSL)94.81%
Lightness15.1%
Dominant channelBlue
Hex per channelR 02 · G 45 · B 4B

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Every value on this page was computed from “02454b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.