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Recognised as Colour

#013033

  • #013033
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#013033 is a cyan with RGB values 1, 48, 51 and HSL 184°, 96%, 10%. It is a dark colour, so white text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#013033#013033
HEX#013033
RGBrgb(1, 48, 51)
RGB (0–1)0.0039, 0.1882, 0.2
RGB percentages0.4%, 18.8%, 20%
HSLhsl(183.6, 96.2%, 10.2%)
HSV / HSBhsv(183.6, 98%, 20%)
CMYK98%, 5.9%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer77,875
CSS custom property--colour: #013033;

Brightness & contrast

Relative luminance0.02359WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.27:1
Contrast with white14.27:1WCAG normal text: AAA
Contrast with black1.47:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#FECFCC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B2D33no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#242833no green cones; the most common form, about 1% of men; ΔE 14.9 from the original
Tritanopia#003231no blue cones; rare, and affects men and women equally; ΔE 3.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.27:1WCAG large text: AAA
Contrast with black, large text1.47:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.3Black · ΔE 22.8Dim grey · ΔE 30.9Teal · ΔE 34.6Slate grey · ΔE 37.6Dark cyan · ΔE 39
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.32, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#330401
Analogous#01331D, #011733
Triadic#330130, #303301
Split complementary#330117, #331D01
Tetradic#1D0133, #330401, #173301

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#06EBFA
Lighter +30%#04BDC9
Lighter +20%#038E97
Lighter +10%#025F65
Darker −10%#000101
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003134
Less saturated −25%#072A2D

Channel breakdown

R1
G48
B51
Red1 (0.4%)
Green48 (18.8%)
Blue51 (20%)
Hue183.6°
Saturation (HSL)96.15%
Lightness10.2%
Dominant channelBlue
Hex per channelR 01 · G 30 · B 33

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Every value on this page was computed from “hex 013033” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.