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Recognised as Colour

#02276B

  • #02276B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#02276B is a blue with RGB values 2, 39, 107 and HSL 219°, 96%, 21%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#02276B#02276B
HEX#02276B
RGBrgb(2, 39, 107)
RGB (0–1)0.0078, 0.1529, 0.4196
RGB percentages0.8%, 15.3%, 42%
HSLhsl(218.9, 96.3%, 21.4%)
HSV / HSBhsv(218.9, 98.1%, 42%)
CMYK98.1%, 63.6%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer141,163
CSS custom property--colour: #02276B;

Brightness & contrast

Relative luminance0.02525WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.95:1
Contrast with white13.95:1WCAG normal text: AAA
Contrast with black1.51:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#FDD894

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00316Dno red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#00286Ano green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#003945no blue cones; rare, and affects men and women equally; ΔE 43 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.95:1WCAG large text: AAA
Contrast with black, large text1.51:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.1Midnight blue · ΔE 15.4Rebecca purple · ΔE 29.2Indigo · ΔE 35.3Slate blue · ΔE 35.9Navy · ΔE 37
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.07, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B4602
Analogous#025B6B, #12026B
Triadic#6B0227, #276B02
Split complementary#6B1202, #5B6B02
Tetradic#6B025B, #6B4602, #026B12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E80FB
Lighter +30%#0C60FA
Lighter +20%#044BCF
Lighter +10%#03399D
Darker −10%#011539
Darker −20%#000307
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00266D
Less saturated −25%#102B5D

Channel breakdown

R2
G39
B107
Red2 (0.8%)
Green39 (15.3%)
Blue107 (42%)
Hue218.86°
Saturation (HSL)96.33%
Lightness21.37%
Dominant channelBlue
Hex per channelR 02 · G 27 · B 6B

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Every value on this page was computed from “02276b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.