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Recognised as Colour

#232B3D

  • #232B3D
  • Blue
  • Dark
  • Nearest: Dark slate grey

#232B3D is a blue with RGB values 35, 43, 61 and HSL 222°, 27%, 19%. 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 slate grey.

Colour values

#232B3D#232B3D
HEX#232B3D
RGBrgb(35, 43, 61)
RGB (0–1)0.1373, 0.1686, 0.2392
RGB percentages13.7%, 16.9%, 23.9%
HSLhsl(221.5, 27.1%, 18.8%)
HSV / HSBhsv(221.5, 42.6%, 23.9%)
CMYK42.6%, 29.5%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,304,829
CSS custom property--colour: #232B3D;

Brightness & contrast

Relative luminance0.02422WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.15:1
Contrast with white14.15:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#DCD4C2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#252C3Eno red cones; affects about 1% of men; ΔE 0.7 from the original
Deuteranopia#222A3Dno green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#1B2F31no blue cones; rare, and affects men and women equally; ΔE 12.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.15:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.3Black · ΔE 21.7Dim grey · ΔE 29.7Slate grey · ΔE 35.6Gray · ΔE 38.2Light slate grey · ΔE 38.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.31, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D3523
Analogous#23383D, #28233D
Triadic#3D232B, #2B3D23
Split complementary#3D2823, #383D23
Tetradic#3D2338, #3D3523, #233D28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7A8BB2
Lighter +30%#5B709E
Lighter +20%#48597E
Lighter +10%#36425D
Darker −10%#10141D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#172649
Less saturated −25%#2F3031

Channel breakdown

R35
G43
B61
Red35 (13.7%)
Green43 (16.9%)
Blue61 (23.9%)
Hue221.54°
Saturation (HSL)27.08%
Lightness18.82%
Dominant channelBlue
Hex per channelR 23 · G 2B · B 3D

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Every value on this page was computed from “232b3d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.