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Recognised as Colour

#0A738F

  • #0A738F
  • Cyan
  • Dark
  • Nearest: Steel blue

#0A738F is a cyan with RGB values 10, 115, 143 and HSL 193°, 87%, 30%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0A738F#0A738F
HEX#0A738F
RGBrgb(10, 115, 143)
RGB (0–1)0.0392, 0.451, 0.5608
RGB percentages3.9%, 45.1%, 56.1%
HSLhsl(192.6, 86.9%, 30%)
HSV / HSBhsv(192.6, 93%, 56.1%)
CMYK93%, 19.6%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer684,943
CSS custom property--colour: #0A738F;

Brightness & contrast

Relative luminance0.14309WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.44:1
Contrast with white5.44:1WCAG normal text: AA
Contrast with black3.86:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#F58C70

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#637090no red cones; affects about 1% of men; ΔE 19.9 from the original
Deuteranopia#53658Fno green cones; the most common form, about 1% of men; ΔE 21.2 from the original
Tritanopia#007C7Cno blue cones; rare, and affects men and women equally; ΔE 18.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.44:1WCAG large text: AAA
Contrast with black, large text3.86:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.3Teal · ΔE 19.4Slate grey · ΔE 20.4Dark cyan · ΔE 21.3Light slate grey · ΔE 21.5Cadetblue · ΔE 22.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.27, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F260A
Analogous#0A8F69, #0A308F
Triadic#8F0A73, #738F0A
Split complementary#8F0A30, #8F690A
Tetradic#690A8F, #8F260A, #308F0A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#70D9F5
Lighter +30%#40CCF2
Lighter +20%#11C0EE
Lighter +10%#0D99BF
Darker −10%#074D5F
Darker −20%#032630
Darker −30%#000000
Darker −40%#000000
More saturated +25%#007999
Less saturated −25%#1D687C

Channel breakdown

R10
G115
B143
Red10 (3.9%)
Green115 (45.1%)
Blue143 (56.1%)
Hue192.63°
Saturation (HSL)86.93%
Lightness30%
Dominant channelBlue
Hex per channelR 0A · G 73 · B 8F

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Every value on this page was computed from “0a738f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.