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Recognised as Colour

#18628C

  • #18628C
  • Blue
  • Dark
  • Nearest: Steel blue

#18628C is a blue with RGB values 24, 98, 140 and HSL 202°, 71%, 32%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#18628C#18628C
HEX#18628C
RGBrgb(24, 98, 140)
RGB (0–1)0.0941, 0.3843, 0.549
RGB percentages9.4%, 38.4%, 54.9%
HSLhsl(201.7, 70.7%, 32.2%)
HSV / HSBhsv(201.7, 82.9%, 54.9%)
CMYK82.9%, 30%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,598,092
CSS custom property--colour: #18628C;

Brightness & contrast

Relative luminance0.10823WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.64:1
Contrast with white6.64:1WCAG normal text: AA
Contrast with black3.16:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#E79D73

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E628Eno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#3E588Bno green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#006D71no blue cones; rare, and affects men and women equally; ΔE 26.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.64:1WCAG large text: AAA
Contrast with black, large text3.16:1WCAG large text: AA

Named colours

Steel blue · ΔE 13.7Slate grey · ΔE 23.6Light slate grey · ΔE 25.1Dark slate grey · ΔE 27.4Dim grey · ΔE 30.5Teal · ΔE 32
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C4218
Analogous#188C7C, #18288C
Triadic#8C1862, #628C18
Split complementary#8C1828, #8C7C18
Tetradic#7C188C, #8C4218, #288C18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86C6EA
Lighter +30%#5AB1E3
Lighter +20%#2F9DDB
Lighter +10%#1F80B8
Darker −10%#114460
Darker −20%#092535
Darker −30%#020709
Darker −40%#000000
More saturated +25%#0368A1
Less saturated −25%#2D5C77

Channel breakdown

R24
G98
B140
Red24 (9.4%)
Green98 (38.4%)
Blue140 (54.9%)
Hue201.72°
Saturation (HSL)70.73%
Lightness32.16%
Dominant channelBlue
Hex per channelR 18 · G 62 · B 8C

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Every value on this page was computed from “18628c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.