#638D7B#638D7B

#638D7B is a mid, muted teal. Relative luminance 0.231; OKLCH L 60.7% C 0.054 H 166.2°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#638D7B
RGB	rgb(99, 141, 123)
HSL	hsl(154, 18%, 47%)
HSV	hsv(154, 30%, 55%)
CMYK	cmyk(29.8%, 0%, 12.8%, 44.7%)
CIE-LAB	lab(55.21, -18.50, 4.99)
CIE-LCH	lch(55.21, 19.16, 164.91°)
OKLab	oklab(60.71% -0.0524 0.0129)
OKLCH	oklch(60.71% 0.054 166.2)
XYZ	xyz(18.2444, 23.1316, 22.2386)
Luminance	0.2313 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638D7B #8D6375

analogous

#638D66 #638D7B #638A8D

triadic

#638D7B #7B638D #8D7B63

tetradic

#638D7B #66638D #8D6375 #8A8D63

square

#638D7B #66638D #8D6375 #8A8D63

split-complementary

#638D7B #8D638A #8D6663

monochromatic

#31453C #4A695C #638D7B #84A999 #A8C2B7

Accessibility & contrast

On white

3.73

#638D7B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#638D7B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638D7B

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638D7B	#FFFFFF	#000000	##000000
##638D7B	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B877A

Deuteranopia (green-blind)

#84827C

Tritanopia (blue-blind)

#598D88

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #638d7b;
/* rgb */ color: rgb(99, 141, 123);
/* oklch */ color: oklch(60.7% 0.054 166.2);

Tailwind

colors: {
  custom: {
    50: '#90aea1',
    500: '#638d7b',
    950: '#000000',
  },
}

SCSS

$custom: #638d7b;
$custom-light: #90aea1;
$custom-dark: #000000;

JSON

{
  "hex": "#638d7b",
  "rgb": {
    "r": 99,
    "g": 141,
    "b": 123
  },
  "hsl": {
    "h": 154.286,
    "s": 17.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.60711,
    "c": 0.05393,
    "h": 166.2
  },
  "luminance": 0.23132
}

Semantic roles & 50–950 ramp

primary

#638D7B

secondary

#B19BA4

accent

#6E8EBA

background

#F8FAF9

surface

#F0F4F2

border

#CBCECC

text

#0D100E

muted

#7D7F7E

Preview Lab

Preview with #638D7B

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

Preview Lab → · Contrast checker → · Palette generator →