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Colour

#2D2357

  • #2D2357
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2D2357 is a blue with RGB values 45, 35, 87 and HSL 252°, 43%, 24%. 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

#2D2357#2D2357
HEX#2D2357
RGBrgb(45, 35, 87)
RGB (0–1)0.1765, 0.1373, 0.3412
RGB percentages17.6%, 13.7%, 34.1%
HSLhsl(251.5, 42.6%, 23.9%)
HSV / HSBhsv(251.5, 59.8%, 34.1%)
CMYK48.3%, 59.8%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,958,167
CSS custom property--colour: #2D2357;

Brightness & contrast

Relative luminance0.02448WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.8 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#292929
Inverted#D2DCA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#072C59no red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#082A56no green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#202E39no blue cones; rare, and affects men and women equally; ΔE 30.6 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 19Midnight blue · ΔE 23.1Rebecca purple · ΔE 32.6Indigo · ΔE 39.7Black · ΔE 40Purple · ΔE 41.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D5723
Analogous#233357, #472357
Triadic#572D23, #23572D
Split complementary#574723, #335723
Tetradic#572333, #4D5723, #235747

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8B7CCA
Lighter +30%#6B57BC
Lighter +20%#5340A0
Lighter +10%#40327B
Darker −10%#1A1433
Darker −20%#07060E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#241466
Less saturated −25%#363248

Channel breakdown

R45
G35
B87
Red45 (17.6%)
Green35 (13.7%)
Blue87 (34.1%)
Hue251.54°
Saturation (HSL)42.62%
Lightness23.92%
Dominant channelBlue
Hex per channelR 2D · G 23 · B 57

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Every value on this page was computed from “2d2357” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.