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Recognised as Colour

#1983B3

  • #1983B3
  • Cyan
  • Dark
  • Nearest: Steel blue

#1983B3 is a cyan with RGB values 25, 131, 179 and HSL 199°, 75%, 40%. 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

#1983B3#1983B3
HEX#1983B3
RGBrgb(25, 131, 179)
RGB (0–1)0.098, 0.5137, 0.702
RGB percentages9.8%, 51.4%, 70.2%
HSLhsl(198.7, 75.5%, 40%)
HSV / HSBhsv(198.7, 86%, 70.2%)
CMYK86%, 26.8%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,672,115
CSS custom property--colour: #1983B3;

Brightness & contrast

Relative luminance0.19694WCAG 2.x, 0 is black and 1 is white
Perceived brightness118 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#707070
Inverted#E67C4C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B82B5no red cones; affects about 1% of men; ΔE 16.8 from the original
Deuteranopia#5775B2no green cones; the most common form, about 1% of men; ΔE 18.1 from the original
Tritanopia#009094no blue cones; rare, and affects men and women equally; ΔE 29.1 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 7.2Deep skyblue · ΔE 23.9Light slate grey · ΔE 24.2Slate grey · ΔE 24.4Cornflower blue · ΔE 28Light skyblue · ΔE 28.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.19, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B34919
Analogous#19B396, #1936B3
Triadic#B31983, #83B319
Split complementary#B31936, #B39619
Tetradic#9619B3, #B34919, #36B319

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6DBF3
Lighter +30%#79C8EC
Lighter +20%#4CB6E6
Lighter +10%#1FA4E0
Darker −10%#136286
Darker −20%#0C425A
Darker −30%#06212D
Darker −40%#000000
More saturated +25%#008CCC
Less saturated −25%#33799A

Channel breakdown

R25
G131
B179
Red25 (9.8%)
Green131 (51.4%)
Blue179 (70.2%)
Hue198.7°
Saturation (HSL)75.49%
Lightness40%
Dominant channelBlue
Hex per channelR 19 · G 83 · B B3

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Every value on this page was computed from “1983b3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.