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Recognised as Colour

#23447C

  • #23447C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#23447C is a blue with RGB values 35, 68, 124 and HSL 218°, 56%, 31%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#23447C#23447C
HEX#23447C
RGBrgb(35, 68, 124)
RGB (0–1)0.1373, 0.2667, 0.4863
RGB percentages13.7%, 26.7%, 48.6%
HSLhsl(217.8, 56%, 31.2%)
HSV / HSBhsv(217.8, 71.8%, 48.6%)
CMYK71.8%, 45.2%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,311,292
CSS custom property--colour: #23447C;

Brightness & contrast

Relative luminance0.05947WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.59:1
Contrast with white9.59:1WCAG normal text: AAA
Contrast with black2.19:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#DCBB83

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#29497Eno red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#19417Bno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#00515Ano blue cones; rare, and affects men and women equally; ΔE 35.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.59:1WCAG large text: AAA
Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.1Steel blue · ΔE 26.4Midnight blue · ΔE 30.5Cornflower blue · ΔE 35.5Slate grey · ΔE 35.8Rebecca purple · ΔE 36.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C5B23
Analogous#23707C, #2F237C
Triadic#7C2344, #447C23
Split complementary#7C2F23, #707C23
Tetradic#7C2370, #7C5B23, #237C2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8CABDF
Lighter +30%#658ED3
Lighter +20%#3D70C8
Lighter +10%#2E5AA4
Darker −10%#182E54
Darker −20%#0D182C
Darker −30%#010305
Darker −40%#000000
More saturated +25%#0F3F90
Less saturated −25%#374968

Channel breakdown

R35
G68
B124
Red35 (13.7%)
Green68 (26.7%)
Blue124 (48.6%)
Hue217.75°
Saturation (HSL)55.97%
Lightness31.18%
Dominant channelBlue
Hex per channelR 23 · G 44 · B 7C

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Every value on this page was computed from “23447c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.