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Recognised as Colour

#23477D

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

#23477D is a blue with RGB values 35, 71, 125 and HSL 216°, 56%, 31%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#23477D#23477D
HEX#23477D
RGBrgb(35, 71, 125)
RGB (0–1)0.1373, 0.2784, 0.4902
RGB percentages13.7%, 27.8%, 49%
HSLhsl(216, 56.3%, 31.4%)
HSV / HSBhsv(216, 72%, 49%)
CMYK72%, 43.2%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,312,061
CSS custom property--colour: #23477D;

Brightness & contrast

Relative luminance0.06344WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.26:1
Contrast with white9.26:1WCAG normal text: AAA
Contrast with black2.27:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#DCB882

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E4C7Fno red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#1F437Cno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#00545Cno blue cones; rare, and affects men and women equally; ΔE 34.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.26:1WCAG large text: AAA
Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.9Steel blue · ΔE 24.7Midnight blue · ΔE 32.7Slate grey · ΔE 34Cornflower blue · ΔE 35.1Dark slate grey · ΔE 35.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D5923
Analogous#23747D, #2C237D
Triadic#7D2347, #477D23
Split complementary#7D2C23, #747D23
Tetradic#7D2374, #7D5923, #237D2C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DAEDF
Lighter +30%#6591D4
Lighter +20%#3D75C9
Lighter +10%#2E5EA5
Darker −10%#183055
Darker −20%#0D1A2D
Darker −30%#020305
Darker −40%#000000
More saturated +25%#0F4391
Less saturated −25%#374B69

Channel breakdown

R35
G71
B125
Red35 (13.7%)
Green71 (27.8%)
Blue125 (49%)
Hue216°
Saturation (HSL)56.25%
Lightness31.37%
Dominant channelBlue
Hex per channelR 23 · G 47 · B 7D

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