#E3973F#E3973F

#E3973F is a light, vivid orange. Relative luminance 0.388; OKLCH L 73.7% C 0.136 H 66.4°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#E3973F
RGB	rgb(227, 151, 63)
HSL	hsl(32, 75%, 57%)
HSV	hsv(32, 72%, 89%)
CMYK	cmyk(0%, 33.5%, 72.2%, 11%)
CIE-LAB	lab(68.63, 20.98, 55.98)
CIE-LCH	lch(68.63, 59.78, 69.45°)
OKLab	oklab(73.72% 0.0545 0.1248)
OKLCH	oklch(73.72% 0.136 66.4)
XYZ	xyz(43.6456, 38.8270, 9.8974)
Luminance	0.3882 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3973F #3F8BE3

analogous

#E3453F #E3973F #DDE33F

triadic

#E3973F #3FE397 #973FE3

tetradic

#E3973F #3FE345 #3F8BE3 #E33FDD

square

#E3973F #3FE345 #3F8BE3 #E33FDD

split-complementary

#E3973F #3FDDE3 #453FE3

monochromatic

#925815 #C8791D #E3973F #EBB474 #F3D1AA

Accessibility & contrast

On white

2.40

#E3973F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#E3973F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3973F

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3973F	#FFFFFF	#000000	##000000
##E3973F	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09D34

Deuteranopia (green-blind)

#C2AE41

Tritanopia (blue-blind)

#F78585

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #e3973f;
/* rgb */ color: rgb(227, 151, 63);
/* oklch */ color: oklch(73.7% 0.136 66.4);

Tailwind

colors: {
  custom: {
    50: '#f1b579',
    500: '#e3973f',
    950: '#000000',
  },
}

SCSS

$custom: #e3973f;
$custom-light: #f1b579;
$custom-dark: #000000;

JSON

{
  "hex": "#e3973f",
  "rgb": {
    "r": 227,
    "g": 151,
    "b": 63
  },
  "hsl": {
    "h": 32.195,
    "s": 74.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.73725,
    "c": 0.1362,
    "h": 66.4
  },
  "luminance": 0.38823
}

Semantic roles & 50–950 ramp

primary

#E3973F

secondary

#9DBCE0

accent

#8DF137

background

#FFFBF7

surface

#FFF6EE

border

#D7D0C9

text

#181109

muted

#86807B

Preview Lab

Preview with #E3973F

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

Preview Lab → · Contrast checker → · Palette generator →