#258C8B#258C8B

#258C8B is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.4% C 0.090 H 194.0°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#258C8B
RGB	rgb(37, 140, 139)
HSL	hsl(179, 58%, 35%)
HSV	hsv(179, 74%, 55%)
CMYK	cmyk(73.6%, 0%, 0.7%, 45.1%)
CIE-LAB	lab(52.96, -28.26, -7.82)
CIE-LCH	lch(52.96, 29.32, 195.47°)
OKLab	oklab(58.39% -0.0873 -0.0218)
OKLCH	oklch(58.39% 0.09 194)
XYZ	xyz(14.7991, 21.0118, 27.6968)
Luminance	0.2101 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258C8B #8C2526

analogous

#258C57 #258C8B #255A8C

triadic

#258C8B #8B258C #8C8B25

tetradic

#258C8B #57258C #8C2526 #5A8C25

square

#258C8B #57258C #8C2526 #5A8C25

split-complementary

#258C8B #8C255A #8C5725

monochromatic

#0B2B2B #185C5B #258C8B #32BCBB #58D3D2

Accessibility & contrast

On white

4.04

#258C8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#258C8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258C8B

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258C8B	#FFFFFF	#000000	##000000
##258C8B	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83858B

Deuteranopia (green-blind)

#747A8C

Tritanopia (blue-blind)

#00908B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258c8b;
/* rgb */ color: rgb(37, 140, 139);
/* oklch */ color: oklch(58.4% 0.090 194.0);

Tailwind

colors: {
  custom: {
    50: '#71aeac',
    500: '#258c8b',
    950: '#000000',
  },
}

SCSS

$custom: #258c8b;
$custom-light: #71aeac;
$custom-dark: #000000;

JSON

{
  "hex": "#258c8b",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 139
  },
  "hsl": {
    "h": 179.417,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.58394,
    "c": 0.08997,
    "h": 194
  },
  "luminance": 0.21014
}

Semantic roles & 50–950 ramp

primary

#258C8B

secondary

#B85556

accent

#4648E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258C8B

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

Preview Lab → · Contrast checker → · Palette generator →