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Recognised as Colour

#23445E

  • #23445E
  • Blue
  • Dark
  • Nearest: Dark slate grey

#23445E is a blue with RGB values 35, 68, 94 and HSL 206°, 46%, 25%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#23445E#23445E
HEX#23445E
RGBrgb(35, 68, 94)
RGB (0–1)0.1373, 0.2667, 0.3686
RGB percentages13.7%, 26.7%, 36.9%
HSLhsl(206.4, 45.7%, 25.3%)
HSV / HSBhsv(206.4, 62.8%, 36.9%)
CMYK62.8%, 27.7%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,311,262
CSS custom property--colour: #23445E;

Brightness & contrast

Relative luminance0.053WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.19:1
Contrast with white10.19:1WCAG normal text: AAA
Contrast with black2.06:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#DCBBA1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#39445Fno red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#313E5Eno green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#004A4Dno blue cones; rare, and affects men and women equally; ΔE 19.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.19:1WCAG large text: AAA
Contrast with black, large text2.06:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.9Dim grey · ΔE 25.6Slate grey · ΔE 26.7Steel blue · ΔE 28.2Light slate grey · ΔE 29.4Gray · ΔE 32.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5E3D23
Analogous#235E5B, #23265E
Triadic#5E2344, #445E23
Split complementary#5E2327, #5E5B23
Tetradic#5A235E, #5E3D23, #265E23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7EABCF
Lighter +30%#5993C1
Lighter +20%#3F7AA8
Lighter +10%#315F83
Darker −10%#152939
Darker −20%#070E14
Darker −30%#000000
Darker −40%#000000
More saturated +25%#13466E
Less saturated −25%#33424E

Channel breakdown

R35
G68
B94
Red35 (13.7%)
Green68 (26.7%)
Blue94 (36.9%)
Hue206.44°
Saturation (HSL)45.74%
Lightness25.29%
Dominant channelBlue
Hex per channelR 23 · G 44 · B 5E

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Every value on this page was computed from “23445e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.