#258C81#258C81

#258C81 is a mid, moderate teal. Relative luminance 0.207; OKLCH L 58.0% C 0.092 H 184.5°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#258C81
RGB	rgb(37, 140, 129)
HSL	hsl(174, 58%, 35%)
HSV	hsv(174, 74%, 55%)
CMYK	cmyk(73.6%, 0%, 7.9%, 45.1%)
CIE-LAB	lab(52.66, -31.23, -2.48)
CIE-LCH	lch(52.66, 31.33, 184.54°)
OKLab	oklab(58.04% -0.092 -0.0072)
OKLCH	oklch(58.04% 0.092 184.5)
XYZ	xyz(14.1016, 20.7328, 24.0233)
Luminance	0.2073 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258C81 #8C2530

analogous

#258C4D #258C81 #25648C

triadic

#258C81 #81258C #8C8125

tetradic

#258C81 #4D258C #8C2530 #648C25

square

#258C81 #4D258C #8C2530 #648C25

split-complementary

#258C81 #8C2564 #8C4D25

monochromatic

#0B2B28 #185C54 #258C81 #32BCAE #58D3C6

Accessibility & contrast

On white

4.08

#258C81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#258C81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258C81

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258C81	#FFFFFF	#000000	##000000
##258C81	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858481

Deuteranopia (green-blind)

#767982

Tritanopia (blue-blind)

#008F88

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258c81;
/* rgb */ color: rgb(37, 140, 129);
/* oklch */ color: oklch(58.0% 0.092 184.5);

Tailwind

colors: {
  custom: {
    50: '#70aea5',
    500: '#258c81',
    950: '#000000',
  },
}

SCSS

$custom: #258c81;
$custom-light: #70aea5;
$custom-dark: #000000;

JSON

{
  "hex": "#258c81",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 129
  },
  "hsl": {
    "h": 173.592,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.58043,
    "c": 0.09231,
    "h": 184.5
  },
  "luminance": 0.20734
}

Semantic roles & 50–950 ramp

primary

#258C81

secondary

#B85560

accent

#4657E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #258C81

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

Preview Lab → · Contrast checker → · Palette generator →