Recognised as Colour

#B00903

#B00903
Red
Dark
Nearest: Firebrick

#B00903 is a red with RGB values 176, 9, 3 and HSL 2°, 97%, 35%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#B00903#B00903

HEX#B00903

RGBrgb(176, 9, 3)

RGB (0–1)0.6902, 0.0353, 0.0118

RGB percentages69%, 3.5%, 1.2%

HSLhsl(2.1, 96.6%, 35.1%)

HSV / HSBhsv(2.1, 98.3%, 69%)

CMYK0%, 94.9%, 98.3%, 31%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,536,643

CSS custom property--colour: #B00903;

Brightness & contrast

Relative luminance0.09432WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.28:1

Contrast with white7.28:1WCAG normal text: AAA

Contrast with black2.89:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#4FF6FC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A4000no red cones; affects about 1% of men; ΔE 64.6 from the original

Deuteranopia#706300no green cones; the most common form, about 1% of men; ΔE 64.2 from the original

Tritanopia#C3000Eno blue cones; rare, and affects men and women equally; ΔE 7.1 from the original

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

Contrast with white, large text7.28:1WCAG large text: AAA

Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Firebrick · ΔE 12.9 Dark red · ΔE 14.9 Maroon · ΔE 19.9 Brown · ΔE 21.6 Crimson · ΔE 22.2 Tomato · ΔE 25.7

Nearest named CSS colourFirebrick (#B22222)ΔE 12.87, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03AAB0

Analogous#B00354, #B06003

Triadic#03B009, #0903B0

Split complementary#03B05F, #0354B0

Tetradic#53B003, #03AAB0, #5F03B0

Tints, shades & saturation

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

Lighter +40%#FD8682

Lighter +30%#FC5650

Lighter +20%#FB261E

Lighter +10%#E20C04

Darker −10%#7E0602

Darker −20%#4C0401

Darker −30%#1A0100

Darker −40%#000000

More saturated +25%#B30600

Less saturated −25%#9A1E19

Channel breakdown

R176

Red176 (69%)

Green9 (3.5%)

Blue3 (1.2%)

Hue2.08°

Saturation (HSL)96.65%

Lightness35.1%

Dominant channelRed

Hex per channelR B0 · G 09 · B 03

Keep nerding

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

#B00903

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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