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Recognised as Colour

#033D4B

  • #033D4B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#033D4B is a cyan with RGB values 3, 61, 75 and HSL 192°, 92%, 15%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#033D4B#033D4B
HEX#033D4B
RGBrgb(3, 61, 75)
RGB (0–1)0.0118, 0.2392, 0.2941
RGB percentages1.2%, 23.9%, 29.4%
HSLhsl(191.7, 92.3%, 15.3%)
HSV / HSBhsv(191.7, 96%, 29.4%)
CMYK96%, 18.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer212,299
CSS custom property--colour: #033D4B;

Brightness & contrast

Relative luminance0.03865WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.84:1
Contrast with white11.84:1WCAG normal text: AAA
Contrast with black1.77:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#FCC2B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#343B4Cno red cones; affects about 1% of men; ΔE 13.4 from the original
Deuteranopia#2B354Bno green cones; the most common form, about 1% of men; ΔE 13.9 from the original
Tritanopia#004241no blue cones; rare, and affects men and women equally; ΔE 11.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.84:1WCAG large text: AAA
Contrast with black, large text1.77:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.6Dim grey · ΔE 27.6Black · ΔE 29.2Teal · ΔE 30.9Slate grey · ΔE 31.2Light slate grey · ΔE 34
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.6, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B1103
Analogous#034B35, #03194B
Triadic#4B033D, #3D4B03
Split complementary#4B0319, #4B3503
Tetradic#35034B, #4B1103, #194B03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#24CDF6
Lighter +30%#09B5DE
Lighter +20%#078DAD
Lighter +10%#05657C
Darker −10%#01151A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003F4E
Less saturated −25%#0D3741

Channel breakdown

R3
G61
B75
Red3 (1.2%)
Green61 (23.9%)
Blue75 (29.4%)
Hue191.67°
Saturation (HSL)92.31%
Lightness15.29%
Dominant channelBlue
Hex per channelR 03 · G 3D · B 4B

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Every value on this page was computed from “033d4b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.