#258C8E#258C8E

#258C8E is a mid, moderate teal. Relative luminance 0.211; OKLCH L 58.5% C 0.090 H 196.9°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#258C8E
RGB	rgb(37, 140, 142)
HSL	hsl(181, 59%, 35%)
HSV	hsv(181, 74%, 56%)
CMYK	cmyk(73.9%, 1.4%, 0%, 44.3%)
CIE-LAB	lab(53.06, -27.34, -9.41)
CIE-LCH	lch(53.06, 28.92, 199.00°)
OKLab	oklab(58.51% -0.0859 -0.0261)
OKLCH	oklch(58.51% 0.09 196.9)
XYZ	xyz(15.0213, 21.1007, 28.8671)
Luminance	0.2110 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258C8E #8E2725

analogous

#258E5C #258C8E #25578E

triadic

#258C8E #8E258C #8C8E25

tetradic

#258C8E #5C258E #8E2725 #578E25

square

#258C8E #5C258E #8E2725 #578E25

split-complementary

#258C8E #8E2557 #8E5C25

monochromatic

#0C2C2D #185C5D #258C8E #32BCBF #5AD2D4

Accessibility & contrast

On white

4.02

#258C8E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#258C8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258C8E

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258C8E	#FFFFFF	#000000	##000000
##258C8E	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82858E

Deuteranopia (green-blind)

#737A8F

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #258c8e;
/* rgb */ color: rgb(37, 140, 142);
/* oklch */ color: oklch(58.5% 0.090 196.9);

Tailwind

colors: {
  custom: {
    50: '#72aeaf',
    500: '#258c8e',
    950: '#000000',
  },
}

SCSS

$custom: #258c8e;
$custom-light: #72aeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#258c8e",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 142
  },
  "hsl": {
    "h": 181.143,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58505,
    "c": 0.0898,
    "h": 196.9
  },
  "luminance": 0.21102
}

Semantic roles & 50–950 ramp

primary

#258C8E

secondary

#B95856

accent

#4946E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258C8E

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

Preview Lab → · Contrast checker → · Palette generator →