Colour

#FF1E1F

#FF1E1F
Red
Dark
Nearest: Red

#FF1E1F is a red with RGB values 255, 30, 31 and HSL 360°, 100%, 56%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF1E1F#FF1E1F

HEX#FF1E1F

RGBrgb(255, 30, 31)

RGB (0–1)1, 0.1176, 0.1216

RGB percentages100%, 11.8%, 12.2%

HSLhsl(359.7, 100%, 55.9%)

HSV / HSBhsv(359.7, 88.2%, 100%)

CMYK0%, 88.2%, 87.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,719,391

CSS custom property--colour: #FF1E1F;

Brightness & contrast

Relative luminance0.22287WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.46:1

Contrast with white3.85:1WCAG normal text: Fail

Contrast with black5.46:1WCAG normal text: AA

Greyscale equivalent#4E4E4E

Inverted#00E1E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#706319no red cones; affects about 1% of men; ΔE 83.8 from the original

Deuteranopia#A59207no green cones; the most common form, about 1% of men; ΔE 83.3 from the original

Tritanopia#FF0024no blue cones; rare, and affects men and women equally; ΔE 4.3 from the original

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

Contrast with white, large text3.85:1WCAG large text: AA

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

Named colours

Red · ΔE 9.3 Orange red · ΔE 14.8 Tomato · ΔE 24.3 Crimson · ΔE 26.6 Firebrick · ΔE 33.6 Coral · ΔE 36.3

Nearest named CSS colourRed (#FF0000)ΔE 9.28, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1EFFFE

Analogous#FF1E8F, #FF8E1E

Triadic#1FFF1E, #1E1FFF

Split complementary#1EFF8E, #1E8FFF

Tetradic#8FFF1E, #1EFFFE, #8E1EFF

Tints, shades & saturation

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

Lighter +40%#FFEAEA

Lighter +30%#FFB7B7

Lighter +20%#FF8485

Lighter +10%#FF5152

Darker −10%#EA0001

Darker −20%#B70001

Darker −30%#840001

Darker −40%#510000

More saturated +25%#FF1E1F

Less saturated −25%#E33A3B

Channel breakdown

R255

G30

B31

Red255 (100%)

Green30 (11.8%)

Blue31 (12.2%)

Hue359.73°

Saturation (HSL)100%

Lightness55.88%

Dominant channelRed

Hex per channelR FF · G 1E · B 1F

Keep nerding

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

#FF1E1F

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