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Recognised as Colour

#23477E

  • #23477E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#23477E is a blue with RGB values 35, 71, 126 and HSL 216°, 57%, 32%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#23477E#23477E
HEX#23477E
RGBrgb(35, 71, 126)
RGB (0–1)0.1373, 0.2784, 0.4941
RGB percentages13.7%, 27.8%, 49.4%
HSLhsl(216.3, 56.5%, 31.6%)
HSV / HSBhsv(216.3, 72.2%, 49.4%)
CMYK72.2%, 43.7%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,312,062
CSS custom property--colour: #23477E;

Brightness & contrast

Relative luminance0.0637WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.23:1
Contrast with white9.23:1WCAG normal text: AAA
Contrast with black2.27:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#DCB881

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D4C80no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#1E447Dno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#00545Cno blue cones; rare, and affects men and women equally; ΔE 35.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.23:1WCAG large text: AAA
Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.4Steel blue · ΔE 24.9Midnight blue · ΔE 32.2Slate grey · ΔE 34.4Cornflower blue · ΔE 34.8Light slate grey · ΔE 36.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7E5A23
Analogous#23747E, #2D237E
Triadic#7E2347, #477E23
Split complementary#7E2D23, #747E23
Tetradic#7E2374, #7E5A23, #237E2D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EAEDF
Lighter +30%#6691D4
Lighter +20%#3E75C9
Lighter +10%#2E5DA6
Darker −10%#183156
Darker −20%#0D1A2E
Darker −30%#020406
Darker −40%#000000
More saturated +25%#0F4392
Less saturated −25%#374B6A

Channel breakdown

R35
G71
B126
Red35 (13.7%)
Green71 (27.8%)
Blue126 (49.4%)
Hue216.26°
Saturation (HSL)56.52%
Lightness31.57%
Dominant channelBlue
Hex per channelR 23 · G 47 · B 7E

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Every value on this page was computed from “23477e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.