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Recognised as Colour

#237A74

  • #237A74
  • Cyan
  • Dark
  • Nearest: Teal

#237A74 is a cyan with RGB values 35, 122, 116 and HSL 176°, 55%, 31%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#237A74#237A74
HEX#237A74
RGBrgb(35, 122, 116)
RGB (0–1)0.1373, 0.4784, 0.4549
RGB percentages13.7%, 47.8%, 45.5%
HSLhsl(175.9, 55.4%, 30.8%)
HSV / HSBhsv(175.9, 71.3%, 47.8%)
CMYK71.3%, 0%, 4.9%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,325,108
CSS custom property--colour: #237A74;

Brightness & contrast

Relative luminance0.15537WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.11:1
Contrast with white5.11:1WCAG normal text: AA
Contrast with black4.11:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#DC858B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#737374no red cones; affects about 1% of men; ΔE 27.1 from the original
Deuteranopia#666A75no green cones; the most common form, about 1% of men; ΔE 27.6 from the original
Tritanopia#007D78no blue cones; rare, and affects men and women equally; ΔE 3.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.11:1WCAG large text: AAA
Contrast with black, large text4.11:1WCAG large text: AA

Named colours

Teal · ΔE 5.2Dark cyan · ΔE 8.6Cadetblue · ΔE 16.7Dark slate grey · ΔE 21.2Light seagreen · ΔE 22.4Slate grey · ΔE 26.1
Nearest named CSS colourTeal (#008080)ΔE 5.24, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A2329
Analogous#237A48, #23557A
Triadic#74237A, #7A7423
Split complementary#7A2355, #7A4823
Tetradic#48237A, #7A2329, #557A23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8BDED8
Lighter +30%#64D2CB
Lighter +20%#3CC7BD
Lighter +10%#2EA29A
Darker −10%#18524E
Darker −20%#0C2B29
Darker −30%#010303
Darker −40%#000000
More saturated +25%#0F8E85
Less saturated −25%#376663

Channel breakdown

R35
G122
B116
Red35 (13.7%)
Green122 (47.8%)
Blue116 (45.5%)
Hue175.86°
Saturation (HSL)55.41%
Lightness30.78%
Dominant channelGreen
Hex per channelR 23 · G 7A · B 74

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Every value on this page was computed from “237a74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.