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Recognised as Colour

#02152D

  • #02152D
  • Blue
  • Dark
  • Nearest: Black

#02152D is a blue with RGB values 2, 21, 45 and HSL 213°, 91%, 9%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#02152D#02152D
HEX#02152D
RGBrgb(2, 21, 45)
RGB (0–1)0.0078, 0.0824, 0.1765
RGB percentages0.8%, 8.2%, 17.6%
HSLhsl(213.5, 91.5%, 9.2%)
HSV / HSBhsv(213.5, 95.6%, 17.6%)
CMYK95.6%, 53.3%, 0%, 82.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer136,493
CSS custom property--colour: #02152D;

Brightness & contrast

Relative luminance0.00739WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.3:1
Contrast with white18.3:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#FDEAD2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#09172Eno red cones; affects about 1% of men; ΔE 1.8 from the original
Deuteranopia#02132Dno green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#001B1Eno blue cones; rare, and affects men and women equally; ΔE 17.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.3:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 19.7Dark slate grey · ΔE 32Dark slateblue · ΔE 41.1Dim grey · ΔE 42.1Midnight blue · ΔE 43.6Slate grey · ΔE 47.1
Nearest named CSS colourBlack (#000000)ΔE 19.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2D1A02
Analogous#022A2D, #05022D
Triadic#2D0215, #152D02
Split complementary#2D0502, #2A2D02
Tetradic#2D022A, #2D1A02, #022D05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0B70F0
Lighter +30%#0959BF
Lighter +20%#06438F
Lighter +10%#042C5E
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00152F
Less saturated −25%#081627

Channel breakdown

R2
G21
B45
Red2 (0.8%)
Green21 (8.2%)
Blue45 (17.6%)
Hue213.49°
Saturation (HSL)91.49%
Lightness9.22%
Dominant channelBlue
Hex per channelR 02 · G 15 · B 2D

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Every value on this page was computed from “02152d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.