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Recognised as Colour

#033037

  • #033037
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#033037 is a cyan with RGB values 3, 48, 55 and HSL 188°, 90%, 11%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#033037#033037
HEX#033037
RGBrgb(3, 48, 55)
RGB (0–1)0.0118, 0.1882, 0.2157
RGB percentages1.2%, 18.8%, 21.6%
HSLhsl(188.1, 89.7%, 11.4%)
HSV / HSBhsv(188.1, 94.5%, 21.6%)
CMYK94.5%, 12.7%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer208,951
CSS custom property--colour: #033037;

Brightness & contrast

Relative luminance0.02409WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.17:1
Contrast with white14.17:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#FCCFC8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A2E37no red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#232937no green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#003332no blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.17:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.6Black · ΔE 22.7Dim grey · ΔE 30.5Teal · ΔE 35.3Slate grey · ΔE 36.6Gray · ΔE 38.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.61, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#370A03
Analogous#033724, #031637
Triadic#370330, #303703
Split complementary#370316, #372403
Tetradic#240337, #370A03, #163703

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#14D4F2
Lighter +30%#0BAFC8
Lighter +20%#088498
Lighter +10%#065A67
Darker −10%#000607
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00323A
Less saturated −25%#0A2B30

Channel breakdown

R3
G48
B55
Red3 (1.2%)
Green48 (18.8%)
Blue55 (21.6%)
Hue188.08°
Saturation (HSL)89.66%
Lightness11.37%
Dominant channelBlue
Hex per channelR 03 · G 30 · B 37

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Every value on this page was computed from “hex 033037” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.