Colour

#CB2800

#CB2800
Red
Dark
Nearest: Orange red

#CB2800 is a red with RGB values 203, 40, 0 and HSL 12°, 100%, 40%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#CB2800#CB2800

HEX#CB2800

RGBrgb(203, 40, 0)

RGB (0–1)0.7961, 0.1569, 0

RGB percentages79.6%, 15.7%, 0%

HSLhsl(11.8, 100%, 39.8%)

HSV / HSBhsv(11.8, 100%, 79.6%)

CMYK0%, 80.3%, 100%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,314,048

CSS custom property--colour: #CB2800;

Brightness & contrast

Relative luminance0.14214WCAG 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 5.46:1

Contrast with white5.46:1WCAG normal text: AA

Contrast with black3.84:1WCAG normal text: Fail

Greyscale equivalent#484848

Inverted#34D7FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5200no red cones; affects about 1% of men; ΔE 66.2 from the original

Deuteranopia#867600no green cones; the most common form, about 1% of men; ΔE 65.9 from the original

Tritanopia#E00024no blue cones; rare, and affects men and women equally; ΔE 15.9 from the original

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

Contrast with white, large text5.46:1WCAG large text: AAA

Contrast with black, large text3.84:1WCAG large text: AA

Named colours

Orange red · ΔE 18.6 Tomato · ΔE 21.1 Firebrick · ΔE 21.2 Red · ΔE 23.1 Dark red · ΔE 25.2 Crimson · ΔE 25.9

Nearest named CSS colourOrange red (#FF4500)ΔE 18.65, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A3CB

Analogous#CB003D, #CB8E00

Triadic#00CB28, #2800CB

Split complementary#00CB8E, #003DCB

Tetradic#3DCB00, #00A3CB, #8E00CB

Tints, shades & saturation

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

Lighter +40%#FFAC98

Lighter +30%#FF8365

Lighter +20%#FF5A32

Lighter +10%#FE3200

Darker −10%#981E00

Darker −20%#651400

Darker −30%#320A00

Darker −40%#000000

More saturated +25%#CB2800

Less saturated −25%#B23719

Channel breakdown

R203

G40

Red203 (79.6%)

Green40 (15.7%)

Blue0 (0%)

Hue11.82°

Saturation (HSL)100%

Lightness39.8%

Dominant channelRed

Hex per channelR CB · G 28 · B 00

Keep nerding

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

#CB2800

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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