Recognised as Colour

#DF0003

#DF0003
Red
Dark
Nearest: Red

#DF0003 is a red with RGB values 223, 0, 3 and HSL 359°, 100%, 44%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#DF0003#DF0003

HEX#DF0003

RGBrgb(223, 0, 3)

RGB (0–1)0.8745, 0, 0.0118

RGB percentages87.5%, 0%, 1.2%

HSLhsl(359.2, 100%, 43.7%)

HSV / HSBhsv(359.2, 100%, 87.5%)

CMYK0%, 100%, 98.7%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,614,531

CSS custom property--colour: #DF0003;

Brightness & contrast

Relative luminance0.15695WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.07:1

Contrast with white5.07:1WCAG normal text: AA

Contrast with black4.14:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#20FFFC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E5200no red cones; affects about 1% of men; ΔE 78.5 from the original

Deuteranopia#8E7D00no green cones; the most common form, about 1% of men; ΔE 77.4 from the original

Tritanopia#F7000Cno blue cones; rare, and affects men and women equally; ΔE 8.2 from the original

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

Contrast with white, large text5.07:1WCAG large text: AAA

Contrast with black, large text4.14:1WCAG large text: AA

Named colours

Red · ΔE 12.6 Orange red · ΔE 15 Tomato · ΔE 25.2 Crimson · ΔE 26.3 Firebrick · ΔE 28.6 Dark red · ΔE 33.8

Nearest named CSS colourRed (#FF0000)ΔE 12.58, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00DFDC

Analogous#DF0073, #DF6D00

Triadic#03DF00, #0003DF

Split complementary#00DF6D, #0073DF

Tetradic#72DF00, #00DFDC, #6C00DF

Tints, shades & saturation

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

Lighter +40%#FFACAD

Lighter +30%#FF797B

Lighter +20%#FF4648

Lighter +10%#FF1316

Darker −10%#AC0002

Darker −20%#790002

Darker −30%#460001

Darker −40%#130000

More saturated +25%#DF0003

Less saturated −25%#C31C1E

Channel breakdown

R223

Red223 (87.5%)

Green0 (0%)

Blue3 (1.2%)

Hue359.19°

Saturation (HSL)100%

Lightness43.73%

Dominant channelRed

Hex per channelR DF · G 00 · B 03

Keep nerding

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

#DF0003

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