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Recognised as Colour

#055989

  • #055989
  • Blue
  • Dark
  • Nearest: Steel blue

#055989 is a blue with RGB values 5, 89, 137 and HSL 202°, 93%, 28%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#055989#055989
HEX#055989
RGBrgb(5, 89, 137)
RGB (0–1)0.0196, 0.349, 0.5373
RGB percentages2%, 34.9%, 53.7%
HSLhsl(201.8, 93%, 27.8%)
HSV / HSBhsv(201.8, 96.4%, 53.7%)
CMYK96.4%, 35%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer350,601
CSS custom property--colour: #055989;

Brightness & contrast

Relative luminance0.08983WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.51:1
Contrast with white7.51:1WCAG normal text: AAA
Contrast with black2.8:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#FAA676

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#425B8Bno red cones; affects about 1% of men; ΔE 9.6 from the original
Deuteranopia#305088no green cones; the most common form, about 1% of men; ΔE 10.9 from the original
Tritanopia#00656Ano blue cones; rare, and affects men and women equally; ΔE 30 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.51:1WCAG large text: AAA
Contrast with black, large text2.8:1WCAG large text: Fail

Named colours

Steel blue · ΔE 16.5Slate grey · ΔE 28Light slate grey · ΔE 29.5Dark slate grey · ΔE 30.6Dark slateblue · ΔE 31.3Cornflower blue · ΔE 33.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#893505
Analogous#058977, #051789
Triadic#890559, #598905
Split complementary#890517, #897705
Tetradic#770589, #893505, #178905

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#61C2F9
Lighter +30%#30AFF7
Lighter +20%#0999EB
Lighter +10%#0779BA
Darker −10%#033958
Darker −20%#011927
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005A8E
Less saturated −25%#175477

Channel breakdown

R5
G89
B137
Red5 (2%)
Green89 (34.9%)
Blue137 (53.7%)
Hue201.82°
Saturation (HSL)92.96%
Lightness27.84%
Dominant channelBlue
Hex per channelR 05 · G 59 · B 89

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Every value on this page was computed from “hex 055989” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.