Recognised as Colour

#CB0048

#CB0048
Red
Dark
Nearest: Crimson

#CB0048 is a red with RGB values 203, 0, 72 and HSL 339°, 100%, 40%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CB0048#CB0048

HEX#CB0048

RGBrgb(203, 0, 72)

RGB (0–1)0.7961, 0, 0.2824

RGB percentages79.6%, 0%, 28.2%

HSLhsl(338.7, 100%, 39.8%)

HSV / HSBhsv(338.7, 100%, 79.6%)

CMYK0%, 100%, 64.5%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,303,880

CSS custom property--colour: #CB0048;

Brightness & contrast

Relative luminance0.13164WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.78:1

Contrast with white5.78:1WCAG normal text: AA

Contrast with black3.63:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#34FFB7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4D49no red cones; affects about 1% of men; ΔE 72.3 from the original

Deuteranopia#7D7343no green cones; the most common form, about 1% of men; ΔE 73.3 from the original

Tritanopia#DF0029no blue cones; rare, and affects men and women equally; ΔE 24.6 from the original

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

Contrast with white, large text5.78:1WCAG large text: AAA

Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Crimson · ΔE 13.8 Firebrick · ΔE 22.2 Brown · ΔE 22.8 Indian red · ΔE 26.7 Dark red · ΔE 31.5 Maroon · ΔE 32.7

Nearest named CSS colourCrimson (#DC143C)ΔE 13.83, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00CB83

Analogous#CB00AD, #CB1E00

Triadic#48CB00, #0048CB

Split complementary#00CB1E, #00AECB

Tetradic#AECB00, #00CB83, #1E00CB

Tints, shades & saturation

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

Lighter +40%#FF98BD

Lighter +30%#FF659C

Lighter +20%#FF327B

Lighter +10%#FE005A

Darker −10%#980036

Darker −20%#650024

Darker −30%#320012

Darker −40%#000000

More saturated +25%#CB0048

Less saturated −25%#B2194F

Channel breakdown

R203

B72

Red203 (79.6%)

Green0 (0%)

Blue72 (28.2%)

Hue338.72°

Saturation (HSL)100%

Lightness39.8%

Dominant channelRed

Hex per channelR CB · G 00 · B 48

Keep nerding

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

#CB0048

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

Nerdulate something else