Recognised as Colour

#D23300

#D23300
Red
Dark
Nearest: Orange red

#D23300 is a red with RGB values 210, 51, 0 and HSL 15°, 100%, 41%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#D23300#D23300

HEX#D23300

RGBrgb(210, 51, 0)

RGB (0–1)0.8235, 0.2, 0

RGB percentages82.4%, 20%, 0%

HSLhsl(14.6, 100%, 41.2%)

HSV / HSBhsv(14.6, 100%, 82.4%)

CMYK0%, 75.7%, 100%, 17.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,775,616

CSS custom property--colour: #D23300;

Brightness & contrast

Relative luminance0.16069WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.98:1

Contrast with white4.98:1WCAG normal text: AA

Contrast with black4.21:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#2DCCFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665900no red cones; affects about 1% of men; ΔE 65.6 from the original

Deuteranopia#8D7C00no green cones; the most common form, about 1% of men; ΔE 64.8 from the original

Tritanopia#E8002Dno blue cones; rare, and affects men and women equally; ΔE 21.2 from the original

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

Contrast with white, large text4.98:1WCAG large text: AAA

Contrast with black, large text4.21:1WCAG large text: AA

Named colours

Orange red · ΔE 16.3 Tomato · ΔE 20 Red · ΔE 22.5 Firebrick · ΔE 23.4 Chocolate · ΔE 24.7 Coral · ΔE 27.6

Nearest named CSS colourOrange red (#FF4500)ΔE 16.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#009FD2

Analogous#D20036, #D29C00

Triadic#00D233, #3300D2

Split complementary#00D29C, #0036D2

Tetradic#36D200, #009FD2, #9C00D2

Tints, shades & saturation

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

Lighter +40%#FFB69F

Lighter +30%#FF906C

Lighter +20%#FF6939

Lighter +10%#FF4206

Darker −10%#9F2700

Darker −20%#6C1A00

Darker −30%#390E00

Darker −40%#060100

More saturated +25%#D23300

Less saturated −25%#B8401A

Channel breakdown

R210

G51

Red210 (82.4%)

Green51 (20%)

Blue0 (0%)

Hue14.57°

Saturation (HSL)100%

Lightness41.18%

Dominant channelRed

Hex per channelR D2 · G 33 · B 00

Keep nerding

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

#D23300

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