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Recognised as Colour

#0489BA

  • #0489BA
  • Cyan
  • Dark
  • Nearest: Steel blue

#0489BA is a cyan with RGB values 4, 137, 186 and HSL 196°, 96%, 37%. 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

#0489BA#0489BA
HEX#0489BA
RGBrgb(4, 137, 186)
RGB (0–1)0.0157, 0.5373, 0.7294
RGB percentages1.6%, 53.7%, 72.9%
HSLhsl(196.2, 95.8%, 37.3%)
HSV / HSBhsv(196.2, 97.8%, 72.9%)
CMYK97.8%, 26.3%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer297,402
CSS custom property--colour: #0489BA;

Brightness & contrast

Relative luminance0.21462WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.29:1
Contrast with white3.97:1WCAG normal text: Fail
Contrast with black5.29:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#FB7645

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7088BCno red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#5B79B9no green cones; the most common form, about 1% of men; ΔE 20.8 from the original
Tritanopia#00969Ano blue cones; rare, and affects men and women equally; ΔE 29.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.97:1WCAG large text: AA
Contrast with black, large text5.29:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.2Deep skyblue · ΔE 21.4Light slate grey · ΔE 25.6Slate grey · ΔE 26Light skyblue · ΔE 27Cornflower blue · ΔE 28.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.19, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA3504
Analogous#04BA90, #042EBA
Triadic#BA0489, #89BA04
Split complementary#BA042E, #BA9004
Tetradic#9004BA, #BA3504, #2EBA04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DDFFD
Lighter +30%#5CD0FB
Lighter +20%#2AC2FA
Lighter +10%#05AEEC
Darker −10%#036488
Darker −20%#023F56
Darker −30%#011B24
Darker −40%#000000
More saturated +25%#008BBE
Less saturated −25%#1C7EA2

Channel breakdown

R4
G137
B186
Red4 (1.6%)
Green137 (53.7%)
Blue186 (72.9%)
Hue196.15°
Saturation (HSL)95.79%
Lightness37.25%
Dominant channelBlue
Hex per channelR 04 · G 89 · B BA

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Every value on this page was computed from “0489ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.