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Colour

#234A66

  • #234A66
  • Blue
  • Dark
  • Nearest: Dark slate grey

#234A66 is a blue with RGB values 35, 74, 102 and HSL 205°, 49%, 27%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#234A66#234A66
HEX#234A66
RGBrgb(35, 74, 102)
RGB (0–1)0.1373, 0.2902, 0.4
RGB percentages13.7%, 29%, 40%
HSLhsl(205.1, 48.9%, 26.9%)
HSV / HSBhsv(205.1, 65.7%, 40%)
CMYK65.7%, 27.5%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,312,806
CSS custom property--colour: #234A66;

Brightness & contrast

Relative luminance0.06214WCAG 2.x, 0 is black and 1 is white
Perceived brightness69 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.36:1
Contrast with white9.36:1WCAG normal text: AAA
Contrast with black2.24:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#DCB599

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E4A67no red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#344465no green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#005154no blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.36:1WCAG large text: AAA
Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.4Slate grey · ΔE 25Steel blue · ΔE 25.4Dim grey · ΔE 25.4Light slate grey · ΔE 27.7Gray · ΔE 31.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#663F23
Analogous#236661, #232866
Triadic#66234A, #4A6623
Split complementary#662328, #666123
Tetradic#612366, #663F23, #296623

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#81B1D4
Lighter +30%#5B9AC7
Lighter +20%#3D81B2
Lighter +10%#30668C
Darker −10%#162E40
Darker −20%#09131A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#124D77
Less saturated −25%#344755

Channel breakdown

R35
G74
B102
Red35 (13.7%)
Green74 (29%)
Blue102 (40%)
Hue205.07°
Saturation (HSL)48.91%
Lightness26.86%
Dominant channelBlue
Hex per channelR 23 · G 4A · B 66

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Every value on this page was computed from “234a66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.