Recognised as Colour
#FE261B
- #FE261B
- Red
- Dark
- Nearest: Red
#FE261B is a red with RGB values 254, 38, 27 and HSL 3°, 99%, 55%. 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
#FE261B#FE261B
HEX#FE261B
RGBrgb(254, 38, 27)
RGB (0–1)0.9961, 0.149, 0.1059
RGB percentages99.6%, 14.9%, 10.6%
HSLhsl(2.9, 99.1%, 55.1%)
HSV / HSBhsv(2.9, 89.4%, 99.6%)
CMYK0%, 85%, 89.4%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,655,899
CSS custom property--colour: #FE261B;
Brightness & contrast
Relative luminance0.22536WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.51:1
Contrast with white3.81:1WCAG normal text: Fail
Contrast with black5.51:1WCAG normal text: AA
Greyscale equivalent#535353
Inverted#01D9E4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.81:1WCAG large text: AA
Contrast with black, large text5.51:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1BF3FE
Analogous#FE1B82, #FE971B
Triadic#1BFE26, #261BFE
Split complementary#1BFE97, #1B82FE
Tetradic#82FE1B, #1BF3FE, #971BFE
Tints, shades & saturation
Channel breakdown
R254
G38
B27
Red254 (99.6%)
Green38 (14.9%)
Blue27 (10.6%)
Hue2.91°
Saturation (HSL)99.13%
Lightness55.1%
Dominant channelRed
Hex per channelR FE · G 26 · B 1B
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Also reads as
Fe261B (chemical formula)
- Formula
- 14,586.355 g/mol
- 262 atoms
Fe261B has a molar mass of 14,586.355 g/mol, made up of 262 atoms across 2 elements: 261 × Fe, 1 × B.
Molar mass
Molar mass14,586.355 g/mol
Total atoms per molecule262
Distinct elements2
Mass of one molecule2.4221212 × 10^-20 g
Molecules per gram4.1286125 × 10^19
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
Fe99.9%
B0.1%
Iron (Fe × 261)14,575.545 g/mol, 99.926%
Boron (B)10.81 g/mol, 0.074%
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