Recognised as Colour

#ED030B

#ED030B
Red
Dark
Nearest: Red

#ED030B is a red with RGB values 237, 3, 11 and HSL 358°, 98%, 47%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#ED030B#ED030B

HEX#ED030B

RGBrgb(237, 3, 11)

RGB (0–1)0.9294, 0.0118, 0.0431

RGB percentages92.9%, 1.2%, 4.3%

HSLhsl(357.9, 97.5%, 47.1%)

HSV / HSBhsv(357.9, 98.7%, 92.9%)

CMYK0%, 98.7%, 95.4%, 7.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,532,811

CSS custom property--colour: #ED030B;

Brightness & contrast

Relative luminance0.18094WCAG 2.x, 0 is black and 1 is white

Perceived brightness129.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.62:1

Contrast with white4.55:1WCAG normal text: AA

Contrast with black4.62:1WCAG normal text: AA

Greyscale equivalent#353535

Inverted#12FCF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655801no red cones; affects about 1% of men; ΔE 81.5 from the original

Deuteranopia#978600no green cones; the most common form, about 1% of men; ΔE 81.3 from the original

Tritanopia#FF0011no blue cones; rare, and affects men and women equally; ΔE 6.3 from the original

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

Contrast with white, large text4.55:1WCAG large text: AAA

Contrast with black, large text4.62:1WCAG large text: AAA

Named colours

Red · ΔE 8.7 Orange red · ΔE 13.9 Tomato · ΔE 26 Crimson · ΔE 27.6 Firebrick · ΔE 32.1 Coral · ΔE 37.4

Nearest named CSS colourRed (#FF0000)ΔE 8.71, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03EDE5

Analogous#ED0380, #ED7003

Triadic#0BED03, #030BED

Split complementary#03ED70, #0380ED

Tetradic#80ED03, #03EDE5, #7003ED

Tints, shades & saturation

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

Lighter +40%#FEBEC0

Lighter +30%#FE8B8F

Lighter +20%#FD595F

Lighter +10%#FC272E

Darker −10%#BB0209

Darker −20%#880206

Darker −30%#560104

Darker −40%#240002

More saturated +25%#F00008

Less saturated −25%#CF2127

Channel breakdown

R237

B11

Red237 (92.9%)

Green3 (1.2%)

Blue11 (4.3%)

Hue357.95°

Saturation (HSL)97.5%

Lightness47.06%

Dominant channelRed

Hex per channelR ED · G 03 · B 0B

Keep nerding

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

#ED030B

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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