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Recognised as Colour

#03537A

  • #03537A
  • Cyan
  • Dark
  • Nearest: Steel blue

#03537A is a cyan with RGB values 3, 83, 122 and HSL 200°, 95%, 25%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#03537A#03537A
HEX#03537A
RGBrgb(3, 83, 122)
RGB (0–1)0.0118, 0.3255, 0.4784
RGB percentages1.2%, 32.5%, 47.8%
HSLhsl(199.7, 95.2%, 24.5%)
HSV / HSBhsv(199.7, 97.5%, 47.8%)
CMYK97.5%, 32%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer217,978
CSS custom property--colour: #03537A;

Brightness & contrast

Relative luminance0.07611WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.33:1
Contrast with white8.33:1WCAG normal text: AAA
Contrast with black2.52:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#FCAC85

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#40537Cno red cones; affects about 1% of men; ΔE 11.2 from the original
Deuteranopia#314A79no green cones; the most common form, about 1% of men; ΔE 12 from the original
Tritanopia#005D61no blue cones; rare, and affects men and women equally; ΔE 24.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.33:1WCAG large text: AAA
Contrast with black, large text2.52:1WCAG large text: Fail

Named colours

Steel blue · ΔE 19.8Dark slate grey · ΔE 25.1Slate grey · ΔE 26.6Light slate grey · ΔE 28.6Dim grey · ΔE 30.8Teal · ΔE 33.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 19.84, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A2A03
Analogous#037A66, #03177A
Triadic#7A0353, #537A03
Split complementary#7A0317, #7A6603
Tetradic#66037A, #7A2A03, #177A03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4EC2FB
Lighter +30%#1DB1F9
Lighter +20%#0597DE
Lighter +10%#0475AC
Darker −10%#023148
Darker −20%#010F16
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00547D
Less saturated −25%#134E6A

Channel breakdown

R3
G83
B122
Red3 (1.2%)
Green83 (32.5%)
Blue122 (47.8%)
Hue199.66°
Saturation (HSL)95.2%
Lightness24.51%
Dominant channelBlue
Hex per channelR 03 · G 53 · B 7A

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Every value on this page was computed from “03537a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.