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Recognised as Colour

#237BA0

  • #237BA0
  • Cyan
  • Dark
  • Nearest: Steel blue

#237BA0 is a cyan with RGB values 35, 123, 160 and HSL 198°, 64%, 38%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#237BA0#237BA0
HEX#237BA0
RGBrgb(35, 123, 160)
RGB (0–1)0.1373, 0.4824, 0.6275
RGB percentages13.7%, 48.2%, 62.7%
HSLhsl(197.8, 64.1%, 38.2%)
HSV / HSBhsv(197.8, 78.1%, 62.7%)
CMYK78.1%, 23.1%, 0%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,325,408
CSS custom property--colour: #237BA0;

Brightness & contrast

Relative luminance0.17061WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.76:1
Contrast with white4.76:1WCAG normal text: AA
Contrast with black4.41:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#DC845F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6879A2no red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#586E9Fno green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#008587no blue cones; rare, and affects men and women equally; ΔE 24 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.76:1WCAG large text: AAA
Contrast with black, large text4.41:1WCAG large text: AA

Named colours

Steel blue · ΔE 10.7Slate grey · ΔE 20Light slate grey · ΔE 20.5Cadetblue · ΔE 24.6Teal · ΔE 24.8Dark cyan · ΔE 25.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.67, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A04823
Analogous#23A086, #233DA0
Triadic#A0237B, #7BA023
Split complementary#A0233C, #A08623
Tetradic#8723A0, #A04823, #3DA023

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4D6EB
Lighter +30%#7AC3E2
Lighter +20%#50B0D9
Lighter +10%#2C9BCA
Darker −10%#1A5B76
Darker −20%#113B4C
Darker −30%#081A22
Darker −40%#000000
More saturated +25%#0B85B8
Less saturated −25%#3B7188

Channel breakdown

R35
G123
B160
Red35 (13.7%)
Green123 (48.2%)
Blue160 (62.7%)
Hue197.76°
Saturation (HSL)64.1%
Lightness38.24%
Dominant channelBlue
Hex per channelR 23 · G 7B · B A0

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Every value on this page was computed from “237ba0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.