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Recognised as Colour

#022B58

  • #022B58
  • Blue
  • Dark
  • Nearest: Dark slateblue

#022B58 is a blue with RGB values 2, 43, 88 and HSL 211°, 96%, 18%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#022B58#022B58
HEX#022B58
RGBrgb(2, 43, 88)
RGB (0–1)0.0078, 0.1686, 0.3451
RGB percentages0.8%, 16.9%, 34.5%
HSLhsl(211.4, 95.6%, 17.6%)
HSV / HSBhsv(211.4, 97.7%, 34.5%)
CMYK97.7%, 51.1%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer142,168
CSS custom property--colour: #022B58;

Brightness & contrast

Relative luminance0.02445WCAG 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 14.1:1
Contrast with white14.1:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#FDD4A7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#112F5Ano red cones; affects about 1% of men; ΔE 2.7 from the original
Deuteranopia#002857no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#00363Dno blue cones; rare, and affects men and women equally; ΔE 29.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.1:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.1Midnight blue · ΔE 31.5Dark slate grey · ΔE 35.4Black · ΔE 36.1Steel blue · ΔE 36.4Dim grey · ΔE 41.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#582F02
Analogous#025658, #040258
Triadic#58022B, #2B5802
Split complementary#580402, #565802
Tetradic#580256, #582F02, #025804

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2C8EFA
Lighter +30%#0574EE
Lighter +20%#045CBC
Lighter +10%#03438A
Darker −10%#011326
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002B5A
Less saturated −25%#0D2C4D

Channel breakdown

R2
G43
B88
Red2 (0.8%)
Green43 (16.9%)
Blue88 (34.5%)
Hue211.4°
Saturation (HSL)95.56%
Lightness17.65%
Dominant channelBlue
Hex per channelR 02 · G 2B · B 58

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Every value on this page was computed from “022b58” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.