Recognised as Colour

#D0170D

#D0170D
Red
Dark
Nearest: Firebrick

#D0170D is a red with RGB values 208, 23, 13 and HSL 3°, 88%, 43%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#D0170D#D0170D

HEX#D0170D

RGBrgb(208, 23, 13)

RGB (0–1)0.8157, 0.0902, 0.051

RGB percentages81.6%, 9%, 5.1%

HSLhsl(3.1, 88.2%, 43.3%)

HSV / HSBhsv(3.1, 93.8%, 81.6%)

CMYK0%, 88.9%, 93.8%, 18.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,637,389

CSS custom property--colour: #D0170D;

Brightness & contrast

Relative luminance0.14052WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.51:1

Contrast with white5.51:1WCAG normal text: AA

Contrast with black3.81:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#2FE8F2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B5005no red cones; affects about 1% of men; ΔE 71.8 from the original

Deuteranopia#867600no green cones; the most common form, about 1% of men; ΔE 71 from the original

Tritanopia#E6001Ano blue cones; rare, and affects men and women equally; ΔE 9 from the original

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

Contrast with white, large text5.51:1WCAG large text: AAA

Contrast with black, large text3.81:1WCAG large text: AA

Named colours

Firebrick · ΔE 20 Orange red · ΔE 20.1 Crimson · ΔE 21.1 Red · ΔE 21.1 Tomato · ΔE 21.2 Dark red · ΔE 25.6

Nearest named CSS colourFirebrick (#B22222)ΔE 19.99, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0DC6D0

Analogous#D00D64, #D0790D

Triadic#0DD017, #170DD0

Split complementary#0DD079, #0D64D0

Tetradic#64D00D, #0DC6D0, #790DD0

Tints, shades & saturation

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

Lighter +40%#FAB3AF

Lighter +30%#F7857F

Lighter +20%#F4574F

Lighter +10%#F12A1F

Darker −10%#A0120A

Darker −20%#700C07

Darker −30%#400704

Darker −40%#100201

More saturated +25%#DD0B00

Less saturated −25%#B43029

Channel breakdown

R208

G23

B13

Red208 (81.6%)

Green23 (9%)

Blue13 (5.1%)

Hue3.08°

Saturation (HSL)88.24%

Lightness43.33%

Dominant channelRed

Hex per channelR D0 · G 17 · B 0D

Keep nerding

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

#D0170D

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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