#F25539#F25539

#F25539 is a light, vivid red. Relative luminance 0.257; OKLCH L 65.8% C 0.198 H 32.4°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#F25539
RGB	rgb(242, 85, 57)
HSL	hsl(9, 88%, 59%)
HSV	hsv(9, 76%, 95%)
CMYK	cmyk(0%, 64.9%, 76.4%, 5.1%)
CIE-LAB	lab(57.73, 58.80, 48.21)
CIE-LCH	lch(57.73, 76.03, 39.35°)
OKLab	oklab(65.8% 0.1669 0.1059)
OKLCH	oklch(65.8% 0.198 32.4)
XYZ	xyz(40.6095, 25.6756, 6.6877)
Luminance	0.2567 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F25539 #39D6F2

analogous

#F23979 #F25539 #F2B139

triadic

#F25539 #39F255 #5539F2

tetradic

#F25539 #79F239 #39D6F2 #B139F2

square

#F25539 #79F239 #39D6F2 #B139F2

split-complementary

#F25539 #39F2B1 #3979F2

monochromatic

#A6220B #DF2E0F #F25539 #F68672 #FAB8AC

Accessibility & contrast

On white

3.42

#F25539 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#F25539 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #F25539

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F25539	#FFFFFF	#000000	##000000
##F25539	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#827535

Deuteranopia (green-blind)

#A99833

Tritanopia (blue-blind)

#FF2850

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #f25539;
/* rgb */ color: rgb(242, 85, 57);
/* oklch */ color: oklch(65.8% 0.198 32.4);

Tailwind

colors: {
  custom: {
    50: '#ff8c71',
    500: '#f25539',
    950: '#000000',
  },
}

SCSS

$custom: #f25539;
$custom-light: #ff8c71;
$custom-dark: #000000;

JSON

{
  "hex": "#f25539",
  "rgb": {
    "r": 242,
    "g": 85,
    "b": 57
  },
  "hsl": {
    "h": 9.081,
    "s": 87.678,
    "l": 58.627
  },
  "oklch": {
    "l": 0.658,
    "c": 0.19767,
    "h": 32.4
  },
  "luminance": 0.2567
}

Semantic roles & 50–950 ramp

primary

#F25539

secondary

#9FDDE8

accent

#DEFE2A

background

#FFF8F6

surface

#FFF0EC

border

#D7CBC7

text

#1A0D08

muted

#877D7B

Preview Lab

Preview with #F25539

Body copy rendered with the generated semantic roles for this colour.

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