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Recognised as Colour

#210D01

  • #210D01
  • Orange
  • Dark
  • Nearest: Black

#210D01 is a orange with RGB values 33, 13, 1 and HSL 23°, 94%, 7%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#210D01#210D01
HEX#210D01
RGBrgb(33, 13, 1)
RGB (0–1)0.1294, 0.051, 0.0039
RGB percentages12.9%, 5.1%, 0.4%
HSLhsl(22.5, 94.1%, 6.7%)
HSV / HSBhsv(22.5, 97%, 12.9%)
CMYK0%, 60.6%, 97%, 87.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,166,017
CSS custom property--colour: #210D01;

Brightness & contrast

Relative luminance0.00613WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.71:1
Contrast with white18.71:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#DEF2FE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#130F00no red cones; affects about 1% of men; ΔE 8.8 from the original
Deuteranopia#181401no green cones; the most common form, about 1% of men; ΔE 9.2 from the original
Tritanopia#25090Ano blue cones; rare, and affects men and women equally; ΔE 6.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.71:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 12.6Dark slate grey · ΔE 34.4Dim grey · ΔE 40.5Gray · ΔE 49.4Saddle brown · ΔE 49.5Dark olivegreen · ΔE 50.7
Nearest named CSS colourBlack (#000000)ΔE 12.58, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#011521
Analogous#210105, #211D01
Triadic#01210D, #0D0121
Split complementary#01211D, #010521
Tetradic#052101, #011521, #1D0121

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E75B07
Lighter +30%#B64805
Lighter +20%#843404
Lighter +10%#532102
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#220D00
Less saturated −25%#1D0E05

Channel breakdown

R33
G13
B1
Red33 (12.9%)
Green13 (5.1%)
Blue1 (0.4%)
Hue22.5°
Saturation (HSL)94.12%
Lightness6.67%
Dominant channelRed
Hex per channelR 21 · G 0D · B 01

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Every value on this page was computed from “210d01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.