#258F9E#258F9E

#258F9E is a mid, moderate teal. Relative luminance 0.225; OKLCH L 59.9% C 0.094 H 209.1°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#258F9E
RGB	rgb(37, 143, 158)
HSL	hsl(187, 62%, 38%)
HSV	hsv(187, 77%, 62%)
CMYK	cmyk(76.6%, 9.5%, 0%, 38%)
CIE-LAB	lab(54.56, -23.78, -16.39)
CIE-LCH	lch(54.56, 28.88, 214.57°)
OKLab	oklab(59.9% -0.0819 -0.0456)
OKLCH	oklch(59.9% 0.094 209.1)
XYZ	xyz(16.7543, 22.5048, 35.8020)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258F9E #9E3425

analogous

#259E70 #258F9E #25529E

triadic

#258F9E #9E258F #8F9E25

tetradic

#258F9E #70259E #9E3425 #529E25

square

#258F9E #70259E #9E3425 #529E25

split-complementary

#258F9E #9E2552 #9E7025

monochromatic

#0E353B #19626C #258F9E #31BBCF #63CCDA

Accessibility & contrast

On white

3.82

#258F9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#258F9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258F9E

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258F9E	#FFFFFF	#000000	##000000
##258F9E	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82899F

Deuteranopia (green-blind)

#717D9E

Tritanopia (blue-blind)

#009693

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258f9e;
/* rgb */ color: rgb(37, 143, 158);
/* oklch */ color: oklch(59.9% 0.094 209.1);

Tailwind

colors: {
  custom: {
    50: '#74b0ba',
    500: '#258f9e',
    950: '#000000',
  },
}

SCSS

$custom: #258f9e;
$custom-light: #74b0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#258f9e",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 158
  },
  "hsl": {
    "h": 187.438,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.59901,
    "c": 0.09375,
    "h": 209.1
  },
  "luminance": 0.22507
}

Semantic roles & 50–950 ramp

primary

#258F9E

secondary

#C06B5F

accent

#5743E5

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258F9E

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

Preview Lab → · Contrast checker → · Palette generator →