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Colour

#1981C0

  • #1981C0
  • Blue
  • Dark
  • Nearest: Steel blue

#1981C0 is a blue with RGB values 25, 129, 192 and HSL 203°, 77%, 43%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1981C0#1981C0
HEX#1981C0
RGBrgb(25, 129, 192)
RGB (0–1)0.098, 0.5059, 0.7529
RGB percentages9.8%, 50.6%, 75.3%
HSLhsl(202.6, 77%, 42.5%)
HSV / HSBhsv(202.6, 87%, 75.3%)
CMYK87%, 32.8%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,671,616
CSS custom property--colour: #1981C0;

Brightness & contrast

Relative luminance0.19713WCAG 2.x, 0 is black and 1 is white
Perceived brightness119 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.94:1
Contrast with white4.25:1WCAG normal text: Fail
Contrast with black4.94:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#E67E3F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6383C3no red cones; affects about 1% of men; ΔE 12.7 from the original
Deuteranopia#4C74BFno green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#009198no blue cones; rare, and affects men and women equally; ΔE 36.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.25:1WCAG large text: AA
Contrast with black, large text4.94:1WCAG large text: AAA

Named colours

Steel blue · ΔE 8.6Cornflower blue · ΔE 19.8Deep skyblue · ΔE 24.6Dodgerblue · ΔE 28.4Light slate grey · ΔE 30Slate grey · ΔE 30.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.59, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C05819
Analogous#19C0AC, #192DC0
Triadic#C01981, #81C019
Split complementary#C0192D, #C0AB19
Tetradic#AC19C0, #C05819, #2EC019

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0DBF5
Lighter +30%#83C6EF
Lighter +20%#56B2E9
Lighter +10%#299DE3
Darker −10%#136393
Darker −20%#0D4466
Darker −30%#072639
Darker −40%#01080C
More saturated +25%#0087D9
Less saturated −25%#347AA5

Channel breakdown

R25
G129
B192
Red25 (9.8%)
Green129 (50.6%)
Blue192 (75.3%)
Hue202.63°
Saturation (HSL)76.96%
Lightness42.55%
Dominant channelBlue
Hex per channelR 19 · G 81 · B C0

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Every value on this page was computed from “1981c0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.