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Recognised as Colour

#2E4057

  • #2E4057
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2E4057 is a blue with RGB values 46, 64, 87 and HSL 214°, 31%, 26%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2E4057#2E4057
HEX#2E4057
RGBrgb(46, 64, 87)
RGB (0–1)0.1804, 0.251, 0.3412
RGB percentages18%, 25.1%, 34.1%
HSLhsl(213.7, 30.8%, 26.1%)
HSV / HSBhsv(213.7, 47.1%, 34.1%)
CMYK47.1%, 26.4%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,031,127
CSS custom property--colour: #2E4057;

Brightness & contrast

Relative luminance0.04936WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.57:1
Contrast with white10.57:1WCAG normal text: AAA
Contrast with black1.99:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#D1BFA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#374158no red cones; affects about 1% of men; ΔE 2.9 from the original
Deuteranopia#323D57no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#1E4548no blue cones; rare, and affects men and women equally; ΔE 16.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.57:1WCAG large text: AAA
Contrast with black, large text1.99:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.5Dim grey · ΔE 24Slate grey · ΔE 26.9Light slate grey · ΔE 29.8Steel blue · ΔE 30.8Black · ΔE 31
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#57452E
Analogous#2E5557, #302E57
Triadic#572E40, #40572E
Split complementary#57302E, #55572E
Tetradic#572E55, #57452E, #2E5730

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EA5C3
Lighter +30%#6C8BB2
Lighter +20%#51719A
Lighter +10%#405978
Darker −10%#1C2736
Darker −20%#0B0F14
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D3E68
Less saturated −25%#3F4246

Channel breakdown

R46
G64
B87
Red46 (18%)
Green64 (25.1%)
Blue87 (34.1%)
Hue213.66°
Saturation (HSL)30.83%
Lightness26.08%
Dominant channelBlue
Hex per channelR 2E · G 40 · B 57

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Every value on this page was computed from “2e4057” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.