Colour

#CB0B04

#CB0B04
Red
Dark
Nearest: Orange red

#CB0B04 is a red with RGB values 203, 11, 4 and HSL 2°, 96%, 41%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#CB0B04#CB0B04

HEX#CB0B04

RGBrgb(203, 11, 4)

RGB (0–1)0.7961, 0.0431, 0.0157

RGB percentages79.6%, 4.3%, 1.6%

HSLhsl(2.1, 96.1%, 40.6%)

HSV / HSBhsv(2.1, 98%, 79.6%)

CMYK0%, 94.6%, 98%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,306,628

CSS custom property--colour: #CB0B04;

Brightness & contrast

Relative luminance0.12945WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.85:1

Contrast with white5.85:1WCAG normal text: AA

Contrast with black3.59:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#34F4FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#574B00no red cones; affects about 1% of men; ΔE 71.6 from the original

Deuteranopia#827200no green cones; the most common form, about 1% of men; ΔE 70.9 from the original

Tritanopia#E10011no blue cones; rare, and affects men and women equally; ΔE 7.9 from the original

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

Contrast with white, large text5.85:1WCAG large text: AAA

Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Orange red · ΔE 20.2 Firebrick · ΔE 20.9 Red · ΔE 20.9 Crimson · ΔE 22.6 Tomato · ΔE 23.1 Dark red · ΔE 25.5

Nearest named CSS colourOrange red (#FF4500)ΔE 20.22, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04C4CB

Analogous#CB0460, #CB6F04

Triadic#04CB0B, #0B04CB

Split complementary#04CB6F, #0460CB

Tetradic#61CB04, #04C4CB, #6F04CB

Tints, shades & saturation

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

Lighter +40%#FDA19E

Lighter +30%#FC716C

Lighter +20%#FB413A

Lighter +10%#FA1008

Darker −10%#990803

Darker −20%#670602

Darker −30%#350301

Darker −40%#030000

More saturated +25%#CF0700

Less saturated −25%#B1231E

Channel breakdown

R203

G11

Red203 (79.6%)

Green11 (4.3%)

Blue4 (1.6%)

Hue2.11°

Saturation (HSL)96.14%

Lightness40.59%

Dominant channelRed

Hex per channelR CB · G 0B · B 04

Keep nerding

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

#CB0B04

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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