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Colour

#0289C0

  • #0289C0
  • Cyan
  • Dark
  • Nearest: Steel blue

#0289C0 is a cyan with RGB values 2, 137, 192 and HSL 197°, 98%, 38%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0289C0#0289C0
HEX#0289C0
RGBrgb(2, 137, 192)
RGB (0–1)0.0078, 0.5373, 0.7529
RGB percentages0.8%, 53.7%, 75.3%
HSLhsl(197.4, 97.9%, 38%)
HSV / HSBhsv(197.4, 99%, 75.3%)
CMYK99%, 28.6%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer166,336
CSS custom property--colour: #0289C0;

Brightness & contrast

Relative luminance0.2171WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.34:1
Contrast with white3.93:1WCAG normal text: Fail
Contrast with black5.34:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#FD763F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6E89C2no red cones; affects about 1% of men; ΔE 17.2 from the original
Deuteranopia#577ABFno green cones; the most common form, about 1% of men; ΔE 19 from the original
Tritanopia#00979Cno blue cones; rare, and affects men and women equally; ΔE 32.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.93:1WCAG large text: AA
Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Steel blue · ΔE 8.5Deep skyblue · ΔE 20.7Cornflower blue · ΔE 24.9Light skyblue · ΔE 27.4Light slate grey · ΔE 27.6Slate grey · ΔE 28
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.5, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C03902
Analogous#02C098, #022AC0
Triadic#C00289, #89C002
Split complementary#C0022A, #C09802
Tetradic#9802C0, #C03902, #2AC002

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#90DEFE
Lighter +30%#5ECFFD
Lighter +20%#2BC0FD
Lighter +10%#03ADF2
Darker −10%#01658E
Darker −20%#01415B
Darker −30%#001D29
Darker −40%#000000
More saturated +25%#008AC2
Less saturated −25%#1A7FA8

Channel breakdown

R2
G137
B192
Red2 (0.8%)
Green137 (53.7%)
Blue192 (75.3%)
Hue197.37°
Saturation (HSL)97.94%
Lightness38.04%
Dominant channelBlue
Hex per channelR 02 · G 89 · B C0

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Every value on this page was computed from “0289c0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.