Colour

#DF1500

#DF1500
Red
Dark
Nearest: Red

#DF1500 is a red with RGB values 223, 21, 0 and HSL 6°, 100%, 44%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#DF1500#DF1500

HEX#DF1500

RGBrgb(223, 21, 0)

RGB (0–1)0.8745, 0.0824, 0

RGB percentages87.5%, 8.2%, 0%

HSLhsl(5.7, 100%, 43.7%)

HSV / HSBhsv(5.7, 100%, 87.5%)

CMYK0%, 90.6%, 100%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,619,904

CSS custom property--colour: #DF1500;

Brightness & contrast

Relative luminance0.16224WCAG 2.x, 0 is black and 1 is white

Perceived brightness123 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.95:1

Contrast with white4.95:1WCAG normal text: AA

Contrast with black4.24:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#20EAFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#615500no red cones; affects about 1% of men; ΔE 76.8 from the original

Deuteranopia#907F00no green cones; the most common form, about 1% of men; ΔE 75.5 from the original

Tritanopia#F70017no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original

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

Contrast with white, large text4.95:1WCAG large text: AAA

Contrast with black, large text4.24:1WCAG large text: AA

Named colours

Red · ΔE 13 Orange red · ΔE 13.3 Tomato · ΔE 24.3 Crimson · ΔE 27.4 Firebrick · ΔE 28.6 Dark red · ΔE 33.6

Nearest named CSS colourRed (#FF0000)ΔE 13.02, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00CADF

Analogous#DF005B, #DF8400

Triadic#00DF15, #1500DF

Split complementary#00DF85, #005ADF

Tetradic#5BDF00, #00CADF, #8500DF

Tints, shades & saturation

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

Lighter +40%#FFB4AC

Lighter +30%#FF8679

Lighter +20%#FF5746

Lighter +10%#FF2913

Darker −10%#AC1000

Darker −20%#790B00

Darker −30%#460700

Darker −40%#130200

More saturated +25%#DF1500

Less saturated −25%#C32C1C

Channel breakdown

R223

G21

Red223 (87.5%)

Green21 (8.2%)

Blue0 (0%)

Hue5.65°

Saturation (HSL)100%

Lightness43.73%

Dominant channelRed

Hex per channelR DF · G 15 · B 00

Keep nerding

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#DF1500

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

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