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Recognised as Colour

#02577C

  • #02577C
  • Cyan
  • Dark
  • Nearest: Steel blue

#02577C is a cyan with RGB values 2, 87, 124 and HSL 198°, 97%, 25%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#02577C#02577C
HEX#02577C
RGBrgb(2, 87, 124)
RGB (0–1)0.0078, 0.3412, 0.4863
RGB percentages0.8%, 34.1%, 48.6%
HSLhsl(198.2, 96.8%, 24.7%)
HSV / HSBhsv(198.2, 98.4%, 48.6%)
CMYK98.4%, 29.8%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer153,468
CSS custom property--colour: #02577C;

Brightness & contrast

Relative luminance0.08285WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.9:1
Contrast with white7.9:1WCAG normal text: AAA
Contrast with black2.66:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#FDA883

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#45577Eno red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#364D7Bno green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#006164no blue cones; rare, and affects men and women equally; ΔE 23.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.9:1WCAG large text: AAA
Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Steel blue · ΔE 19Dark slate grey · ΔE 23.9Slate grey · ΔE 25.2Light slate grey · ΔE 27.2Dim grey · ΔE 29.8Teal · ΔE 31.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.97, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C2702
Analogous#027C64, #021A7C
Triadic#7C0257, #577C02
Split complementary#7C021A, #7C6402
Tetradic#64027C, #7C2702, #1A7C02

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4EC7FC
Lighter +30%#1CB8FB
Lighter +20%#049DE0
Lighter +10%#037AAE
Darker −10%#01344A
Darker −20%#001118
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00587E
Less saturated −25%#12516C

Channel breakdown

R2
G87
B124
Red2 (0.8%)
Green87 (34.1%)
Blue124 (48.6%)
Hue198.2°
Saturation (HSL)96.83%
Lightness24.71%
Dominant channelBlue
Hex per channelR 02 · G 57 · B 7C

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Every value on this page was computed from “02577c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.