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Recognised as Colour

#1983B1

  • #1983B1
  • Cyan
  • Dark
  • Nearest: Steel blue

#1983B1 is a cyan with RGB values 25, 131, 177 and HSL 198°, 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

#1983B1#1983B1
HEX#1983B1
RGBrgb(25, 131, 177)
RGB (0–1)0.098, 0.5137, 0.6941
RGB percentages9.8%, 51.4%, 69.4%
HSLhsl(198.2, 75.2%, 39.6%)
HSV / HSBhsv(198.2, 85.9%, 69.4%)
CMYK85.9%, 26%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,672,113
CSS custom property--colour: #1983B1;

Brightness & contrast

Relative luminance0.19614WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.92:1
Contrast with white4.27:1WCAG normal text: Fail
Contrast with black4.92:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#E67C4E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6C82B3no red cones; affects about 1% of men; ΔE 17.3 from the original
Deuteranopia#5874B0no green cones; the most common form, about 1% of men; ΔE 19.2 from the original
Tritanopia#008F93no blue cones; rare, and affects men and women equally; ΔE 27.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.27:1WCAG large text: AA
Contrast with black, large text4.92:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.9Light slate grey · ΔE 23.6Slate grey · ΔE 23.8Deep skyblue · ΔE 24.2Cadetblue · ΔE 27.8Light skyblue · ΔE 28.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.85, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B14719
Analogous#19B193, #1937B1
Triadic#B11983, #83B119
Split complementary#B11937, #B19319
Tetradic#9319B1, #B14719, #37B119

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4DAF2
Lighter +30%#77C9EC
Lighter +20%#4AB7E6
Lighter +10%#1FA4DE
Darker −10%#136284
Darker −20%#0C4158
Darker −30%#06202B
Darker −40%#000000
More saturated +25%#008DCA
Less saturated −25%#327998

Channel breakdown

R25
G131
B177
Red25 (9.8%)
Green131 (51.4%)
Blue177 (69.4%)
Hue198.16°
Saturation (HSL)75.25%
Lightness39.61%
Dominant channelBlue
Hex per channelR 19 · G 83 · B B1

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Every value on this page was computed from “1983b1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.