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Recognised as Colour

#003B58

  • #003B58
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#003B58 is a cyan with RGB values 0, 59, 88 and HSL 200°, 100%, 17%. 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

#003B58#003B58
HEX#003B58
RGBrgb(0, 59, 88)
RGB (0–1)0, 0.2314, 0.3451
RGB percentages0%, 23.1%, 34.5%
HSLhsl(199.8, 100%, 17.3%)
HSV / HSBhsv(199.8, 100%, 34.5%)
CMYK100%, 33%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,192
CSS custom property--colour: #003B58;

Brightness & contrast

Relative luminance0.03833WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.89:1
Contrast with white11.89:1WCAG normal text: AAA
Contrast with black1.77:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#FFC4A7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D3B59no red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#213457no green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#004245no blue cones; rare, and affects men and women equally; ΔE 19.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.89:1WCAG large text: AAA
Contrast with black, large text1.77:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.3Steel blue · ΔE 31Dim grey · ΔE 31.2Slate grey · ΔE 32Black · ΔE 32.4Light slate grey · ΔE 34.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.25, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#581D00
Analogous#005849, #000F58
Triadic#58003B, #3B5800
Split complementary#58000F, #584900
Tetradic#490058, #581D00, #0F5800

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#25B7FF
Lighter +30%#00A2F1
Lighter +20%#007FBE
Lighter +10%#005D8B
Darker −10%#001925
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003B58
Less saturated −25%#0B374D

Channel breakdown

R0
G59
B88
Red0 (0%)
Green59 (23.1%)
Blue88 (34.5%)
Hue199.77°
Saturation (HSL)100%
Lightness17.25%
Dominant channelBlue
Hex per channelR 00 · G 3B · B 58

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Every value on this page was computed from “003b58” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.