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Recognised as Colour

#23407C

  • #23407C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#23407C is a blue with RGB values 35, 64, 124 and HSL 220°, 56%, 31%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#23407C#23407C
HEX#23407C
RGBrgb(35, 64, 124)
RGB (0–1)0.1373, 0.251, 0.4863
RGB percentages13.7%, 25.1%, 48.6%
HSLhsl(220.4, 56%, 31.2%)
HSV / HSBhsv(220.4, 71.8%, 48.6%)
CMYK71.8%, 48.4%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,310,268
CSS custom property--colour: #23407C;

Brightness & contrast

Relative luminance0.05479WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.02:1
Contrast with white10.02:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#DCBF83

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#21477Eno red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#0E3E7Bno green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#004E58no blue cones; rare, and affects men and women equally; ΔE 37.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.02:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16Midnight blue · ΔE 27Steel blue · ΔE 29.1Rebecca purple · ΔE 33.7Cornflower blue · ΔE 36Slate blue · ΔE 36.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C5F23
Analogous#236D7C, #32237C
Triadic#7C2340, #407C23
Split complementary#7C3223, #6D7C23
Tetradic#7C236D, #7C5F23, #237C32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8CA7DF
Lighter +30%#6589D3
Lighter +20%#3D6AC8
Lighter +10%#2E55A4
Darker −10%#182B54
Darker −20%#0D172C
Darker −30%#010205
Darker −40%#000000
More saturated +25%#0F3990
Less saturated −25%#374768

Channel breakdown

R35
G64
B124
Red35 (13.7%)
Green64 (25.1%)
Blue124 (48.6%)
Hue220.45°
Saturation (HSL)55.97%
Lightness31.18%
Dominant channelBlue
Hex per channelR 23 · G 40 · B 7C

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Every value on this page was computed from “23407c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.