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Recognised as Colour

#01503D

  • #01503D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#01503D is a cyan with RGB values 1, 80, 61 and HSL 166°, 98%, 16%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#01503D#01503D
HEX#01503D
RGBrgb(1, 80, 61)
RGB (0–1)0.0039, 0.3137, 0.2392
RGB percentages0.4%, 31.4%, 23.9%
HSLhsl(165.6, 97.5%, 15.9%)
HSV / HSBhsv(165.6, 98.8%, 31.4%)
CMYK98.8%, 0%, 23.7%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer86,077
CSS custom property--colour: #01503D;

Brightness & contrast

Relative luminance0.06081WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.48:1
Contrast with white9.48:1WCAG normal text: AAA
Contrast with black2.22:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#FEAFC2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D4A3Cno red cones; affects about 1% of men; ΔE 25.6 from the original
Deuteranopia#44433Eno green cones; the most common form, about 1% of men; ΔE 26.3 from the original
Tritanopia#00514Bno blue cones; rare, and affects men and women equally; ΔE 8.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.48:1WCAG large text: AAA
Contrast with black, large text2.22:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.6Teal · ΔE 23.2Dark cyan · ΔE 27Sea green · ΔE 29.5Dark olivegreen · ΔE 29.5Dim grey · ΔE 31.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.61, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#500114
Analogous#015015, #013C50
Triadic#3D0150, #503D01
Split complementary#50013C, #501501
Tetradic#150150, #500114, #3C5001

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#21FCC7
Lighter +30%#03E7B0
Lighter +20%#02B58A
Lighter +10%#028263
Darker −10%#001E17
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00513E
Less saturated −25%#0B4638

Channel breakdown

R1
G80
B61
Red1 (0.4%)
Green80 (31.4%)
Blue61 (23.9%)
Hue165.57°
Saturation (HSL)97.53%
Lightness15.88%
Dominant channelGreen
Hex per channelR 01 · G 50 · B 3D

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Every value on this page was computed from “01503d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.