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Recognised as Colour

#0A3A4C

  • #0A3A4C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0A3A4C is a cyan with RGB values 10, 58, 76 and HSL 196°, 77%, 17%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0A3A4C#0A3A4C
HEX#0A3A4C
RGBrgb(10, 58, 76)
RGB (0–1)0.0392, 0.2275, 0.298
RGB percentages3.9%, 22.7%, 29.8%
HSLhsl(196.4, 76.7%, 16.9%)
HSV / HSBhsv(196.4, 86.8%, 29.8%)
CMYK86.8%, 23.7%, 0%, 70.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer670,284
CSS custom property--colour: #0A3A4C;

Brightness & contrast

Relative luminance0.03612WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.19:1
Contrast with white12.19:1WCAG normal text: AAA
Contrast with black1.72:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#F5C5B3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#31394Dno red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#28334Cno green cones; the most common form, about 1% of men; ΔE 11.5 from the original
Tritanopia#003F40no blue cones; rare, and affects men and women equally; ΔE 13.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.19:1WCAG large text: AAA
Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.1Dim grey · ΔE 28.2Black · ΔE 28.4Slate grey · ΔE 31.5Teal · ΔE 33.8Light slate grey · ΔE 34.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.1, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4C1C0A
Analogous#0A4C3D, #0A194C
Triadic#4C0A3A, #3A4C0A
Split complementary#4C0A19, #4C3D0A
Tetradic#3D0A4C, #4C1C0A, #194C0A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3DB7E5
Lighter +30%#1CA1D3
Lighter +20%#167FA6
Lighter +10%#105C79
Darker −10%#04181F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003F56
Less saturated −25%#153541

Channel breakdown

R10
G58
B76
Red10 (3.9%)
Green58 (22.7%)
Blue76 (29.8%)
Hue196.36°
Saturation (HSL)76.74%
Lightness16.86%
Dominant channelBlue
Hex per channelR 0A · G 3A · B 4C

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Every value on this page was computed from “0a3a4c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.