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Recognised as Colour

#04333E

  • #04333E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#04333E is a cyan with RGB values 4, 51, 62 and HSL 191°, 88%, 13%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#04333E#04333E
HEX#04333E
RGBrgb(4, 51, 62)
RGB (0–1)0.0157, 0.2, 0.2431
RGB percentages1.6%, 20%, 24.3%
HSLhsl(191.4, 87.9%, 12.9%)
HSV / HSBhsv(191.4, 93.5%, 24.3%)
CMYK93.5%, 17.7%, 0%, 75.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer275,262
CSS custom property--colour: #04333E;

Brightness & contrast

Relative luminance0.02741WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.56:1
Contrast with white13.56:1WCAG normal text: AAA
Contrast with black1.55:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#FBCCC1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C313Fno red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#242C3Eno green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#003736no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.56:1WCAG large text: AAA
Contrast with black, large text1.55:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.4Black · ΔE 24.4Dim grey · ΔE 29.7Teal · ΔE 34.7Slate grey · ΔE 34.9Light slate grey · ΔE 37.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.44, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3E0F04
Analogous#043E2C, #04163E
Triadic#3E0433, #333E04
Split complementary#3E0416, #3E2C04
Tetradic#2C043E, #3E0F04, #163E04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1EC8F0
Lighter +30%#0DA9CE
Lighter +20%#0A829E
Lighter +10%#075A6E
Darker −10%#010C0E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003542
Less saturated −25%#0C2E36

Channel breakdown

R4
G51
B62
Red4 (1.6%)
Green51 (20%)
Blue62 (24.3%)
Hue191.38°
Saturation (HSL)87.88%
Lightness12.94%
Dominant channelBlue
Hex per channelR 04 · G 33 · B 3E

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Every value on this page was computed from “04333e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.