Recognised as Colour

#DC010A

#DC010A
Red
Dark
Nearest: Red

#DC010A is a red with RGB values 220, 1, 10 and HSL 358°, 99%, 43%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#DC010A#DC010A

HEX#DC010A

RGBrgb(220, 1, 10)

RGB (0–1)0.8627, 0.0039, 0.0392

RGB percentages86.3%, 0.4%, 3.9%

HSLhsl(357.5, 99.1%, 43.3%)

HSV / HSBhsv(357.5, 99.5%, 86.3%)

CMYK0%, 99.5%, 95.5%, 13.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,418,186

CSS custom property--colour: #DC010A;

Brightness & contrast

Relative luminance0.15259WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.18:1

Contrast with white5.18:1WCAG normal text: AA

Contrast with black4.05:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#23FEF5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D5101no red cones; affects about 1% of men; ΔE 77.2 from the original

Deuteranopia#8C7C00no green cones; the most common form, about 1% of men; ΔE 77 from the original

Tritanopia#F3000Eno blue cones; rare, and affects men and women equally; ΔE 8.4 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.18:1WCAG large text: AAA

Contrast with black, large text4.05:1WCAG large text: AA

Named colours

Red · ΔE 15 Orange red · ΔE 17 Crimson · ΔE 23.6 Tomato · ΔE 23.8 Firebrick · ΔE 26 Dark red · ΔE 31.6

Nearest named CSS colourRed (#FF0000)ΔE 15.01, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#01DCD3

Analogous#DC0178, #DC6601

Triadic#0ADC01, #010ADC

Split complementary#01DC66, #0178DC

Tetradic#77DC01, #01DCD3, #6501DC

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFAAAE

Lighter +30%#FE787D

Lighter +20%#FE454C

Lighter +10%#FE121C

Darker −10%#A90108

Darker −20%#760105

Darker −30%#440003

Darker −40%#110001

More saturated +25%#DD0009

Less saturated −25%#C01D23

Channel breakdown

R220

B10

Red220 (86.3%)

Green1 (0.4%)

Blue10 (3.9%)

Hue357.53°

Saturation (HSL)99.1%

Lightness43.33%

Dominant channelRed

Hex per channelR DC · G 01 · B 0A

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#DC010A

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else