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Colour

#2D2457

  • #2D2457
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2D2457 is a blue with RGB values 45, 36, 87 and HSL 251°, 41%, 24%. 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

#2D2457#2D2457
HEX#2D2457
RGBrgb(45, 36, 87)
RGB (0–1)0.1765, 0.1412, 0.3412
RGB percentages17.6%, 14.1%, 34.1%
HSLhsl(250.6, 41.5%, 24.1%)
HSV / HSBhsv(250.6, 58.6%, 34.1%)
CMYK48.3%, 58.6%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,958,423
CSS custom property--colour: #2D2457;

Brightness & contrast

Relative luminance0.02508WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.99:1
Contrast with white13.99:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#D2DBA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A2D59no red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#0A2B56no green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#202F39no 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 text13.99:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.3Midnight blue · ΔE 23.8Rebecca purple · ΔE 33.2Black · ΔE 39.5Indigo · ΔE 40.5Steel blue · ΔE 41.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E5724
Analogous#243457, #472457
Triadic#572D24, #24572D
Split complementary#574724, #345724
Tetradic#572434, #4E5724, #245747

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8B7EC9
Lighter +30%#6B59BB
Lighter +20%#52429F
Lighter +10%#40337B
Darker −10%#1A1533
Darker −20%#08060F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#231566
Less saturated −25%#373348

Channel breakdown

R45
G36
B87
Red45 (17.6%)
Green36 (14.1%)
Blue87 (34.1%)
Hue250.59°
Saturation (HSL)41.46%
Lightness24.12%
Dominant channelBlue
Hex per channelR 2D · G 24 · B 57

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Every value on this page was computed from “2d2457” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.