#258A8B#258A8B

#258A8B is a mid, moderate teal. Relative luminance 0.204; OKLCH L 57.9% C 0.089 H 196.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#258A8B
RGB	rgb(37, 138, 139)
HSL	hsl(181, 58%, 35%)
HSV	hsv(181, 73%, 55%)
CMYK	cmyk(73.4%, 0.7%, 0%, 45.5%)
CIE-LAB	lab(52.32, -27.27, -8.78)
CIE-LCH	lch(52.32, 28.65, 197.84°)
OKLab	oklab(57.88% -0.0852 -0.0244)
OKLCH	oklch(57.88% 0.089 196)
XYZ	xyz(14.5095, 20.4326, 27.6003)
Luminance	0.2043 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258A8B #8B2625

analogous

#258B59 #258A8B #25578B

triadic

#258A8B #8B258A #8A8B25

tetradic

#258A8B #59258B #8B2625 #578B25

square

#258A8B #59258B #8B2625 #578B25

split-complementary

#258A8B #8B2557 #8B5925

monochromatic

#0B2A2A #185A5B #258A8B #32BABB #58D1D3

Accessibility & contrast

On white

4.13

#258A8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#258A8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258A8B

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258A8B	#FFFFFF	#000000	##000000
##258A8B	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80838B

Deuteranopia (green-blind)

#71788C

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #258a8b;
/* rgb */ color: rgb(37, 138, 139);
/* oklch */ color: oklch(57.9% 0.089 196.0);

Tailwind

colors: {
  custom: {
    50: '#71acac',
    500: '#258a8b',
    950: '#000000',
  },
}

SCSS

$custom: #258a8b;
$custom-light: #71acac;
$custom-dark: #000000;

JSON

{
  "hex": "#258a8b",
  "rgb": {
    "r": 37,
    "g": 138,
    "b": 139
  },
  "hsl": {
    "h": 180.588,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57875,
    "c": 0.08862,
    "h": 196
  },
  "luminance": 0.20434
}

Semantic roles & 50–950 ramp

primary

#258A8B

secondary

#B75655

accent

#4847E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258A8B

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

Preview Lab → · Contrast checker → · Palette generator →