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Recognised as Colour

#057B5B

  • #057B5B
  • Cyan
  • Dark
  • Nearest: Sea green

#057B5B is a cyan with RGB values 5, 123, 91 and HSL 164°, 92%, 25%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#057B5B#057B5B
HEX#057B5B
RGBrgb(5, 123, 91)
RGB (0–1)0.0196, 0.4824, 0.3569
RGB percentages2%, 48.2%, 35.7%
HSLhsl(163.7, 92.2%, 25.1%)
HSV / HSBhsv(163.7, 95.9%, 48.2%)
CMYK95.9%, 0%, 26%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer359,259
CSS custom property--colour: #057B5B;

Brightness & contrast

Relative luminance0.14954WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.26:1
Contrast with white5.26:1WCAG normal text: AA
Contrast with black3.99:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#FA84A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#787159no red cones; affects about 1% of men; ΔE 36.1 from the original
Deuteranopia#6B685Dno green cones; the most common form, about 1% of men; ΔE 36.4 from the original
Tritanopia#007B72no blue cones; rare, and affects men and women equally; ΔE 14.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.26:1WCAG large text: AAA
Contrast with black, large text3.99:1WCAG large text: AA

Named colours

Sea green · ΔE 12.4Teal · ΔE 20Dark cyan · ΔE 20.7Light seagreen · ΔE 25.7Medium seagreen · ΔE 27Dark olivegreen · ΔE 28.2
Nearest named CSS colourSea green (#2E8B57)ΔE 12.41, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B0525
Analogous#057B20, #05607B
Triadic#5B057B, #7B5B05
Split complementary#7B0560, #7B2005
Tetradic#20057B, #7B0525, #607B05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#54F8CC
Lighter +30%#23F6BD
Lighter +20%#09DDA4
Lighter +10%#07AC7F
Darker −10%#034A37
Darker −20%#011912
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00805D
Less saturated −25%#156B54

Channel breakdown

R5
G123
B91
Red5 (2%)
Green123 (48.2%)
Blue91 (35.7%)
Hue163.73°
Saturation (HSL)92.19%
Lightness25.1%
Dominant channelGreen
Hex per channelR 05 · G 7B · B 5B

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Every value on this page was computed from “057b5b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.