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Colour

#231A38

  • #231A38
  • Violet
  • Dark
  • Nearest: Black

#231A38 is a violet with RGB values 35, 26, 56 and HSL 258°, 37%, 16%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#231A38#231A38
HEX#231A38
RGBrgb(35, 26, 56)
RGB (0–1)0.1373, 0.102, 0.2196
RGB percentages13.7%, 10.2%, 22%
HSLhsl(258, 36.6%, 16.1%)
HSV / HSBhsv(258, 53.6%, 22%)
CMYK37.5%, 53.6%, 0%, 78%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,300,472
CSS custom property--colour: #231A38;

Brightness & contrast

Relative luminance0.01382WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.45:1
Contrast with white16.45:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#DCE5C7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#101F39no red cones; affects about 1% of men; ΔE 9.1 from the original
Deuteranopia#121F37no green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#1E2026no blue cones; rare, and affects men and women equally; ΔE 18.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.45:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Black · ΔE 25Dark slateblue · ΔE 33.4Dark slate grey · ΔE 34.3Midnight blue · ΔE 37.1Dim grey · ΔE 39.3Slate grey · ΔE 44.2
Nearest named CSS colourBlack (#000000)ΔE 25.02, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2F381A
Analogous#1A2038, #321A38
Triadic#38231A, #1A3823
Split complementary#38321A, #20381A
Tetradic#381A20, #2F381A, #1A3832

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7F66B8
Lighter +30%#644BA0
Lighter +20%#4F3A7E
Lighter +10%#392A5B
Darker −10%#0D0A15
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1F1042
Less saturated −25%#27242E

Channel breakdown

R35
G26
B56
Red35 (13.7%)
Green26 (10.2%)
Blue56 (22%)
Hue258°
Saturation (HSL)36.59%
Lightness16.08%
Dominant channelBlue
Hex per channelR 23 · G 1A · B 38

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Every value on this page was computed from “231a38” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.