#258F9F#258F9F

#258F9F is a mid, moderate teal. Relative luminance 0.225; OKLCH L 59.9% C 0.094 H 210.0°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#258F9F
RGB	rgb(37, 143, 159)
HSL	hsl(188, 62%, 38%)
HSV	hsv(188, 77%, 62%)
CMYK	cmyk(76.7%, 10.1%, 0%, 37.6%)
CIE-LAB	lab(54.59, -23.46, -16.91)
CIE-LCH	lch(54.59, 28.92, 215.79°)
OKLab	oklab(59.94% -0.0815 -0.0471)
OKLCH	oklch(59.94% 0.094 210)
XYZ	xyz(16.8407, 22.5394, 36.2571)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258F9F #9F3525

analogous

#259F72 #258F9F #25529F

triadic

#258F9F #9F258F #8F9F25

tetradic

#258F9F #72259F #9F3525 #529F25

square

#258F9F #72259F #9F3525 #529F25

split-complementary

#258F9F #9F2552 #9F7225

monochromatic

#0E363C #19626D #258F9F #32BBCF #64CBDB

Accessibility & contrast

On white

3.81

#258F9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#258F9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258F9F

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258F9F	#FFFFFF	#000000	##000000
##258F9F	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818AA0

Deuteranopia (green-blind)

#717D9F

Tritanopia (blue-blind)

#009694

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #258f9f;
/* rgb */ color: rgb(37, 143, 159);
/* oklch */ color: oklch(59.9% 0.094 210.0);

Tailwind

colors: {
  custom: {
    50: '#74b0bb',
    500: '#258f9f',
    950: '#000000',
  },
}

SCSS

$custom: #258f9f;
$custom-light: #74b0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#258f9f",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 159
  },
  "hsl": {
    "h": 187.869,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.59942,
    "c": 0.0941,
    "h": 210
  },
  "luminance": 0.22541
}

Semantic roles & 50–950 ramp

primary

#258F9F

secondary

#C06C5F

accent

#5842E5

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258F9F

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

Preview Lab → · Contrast checker → · Palette generator →