#258F8F#258F8F

#258F8F is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.3% C 0.092 H 195.0°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#258F8F
RGB	rgb(37, 143, 143)
HSL	hsl(180, 59%, 35%)
HSV	hsv(180, 74%, 56%)
CMYK	cmyk(74.1%, 0%, 0%, 43.9%)
CIE-LAB	lab(54.05, -28.52, -8.51)
CIE-LCH	lch(54.05, 29.76, 196.62°)
OKLab	oklab(59.32% -0.0886 -0.0237)
OKLCH	oklch(59.32% 0.092 195)
XYZ	xyz(15.5411, 22.0195, 29.4124)
Luminance	0.2202 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258F8F #8F2525

analogous

#258F5A #258F8F #255A8F

triadic

#258F8F #8F258F #8F8F25

tetradic

#258F8F #5A258F #8F2525 #5A8F25

square

#258F8F #5A258F #8F2525 #5A8F25

split-complementary

#258F8F #8F255A #8F5A25

monochromatic

#0C2E2E #185E5E #258F8F #32C0C0 #5AD4D4

Accessibility & contrast

On white

3.89

#258F8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#258F8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258F8F

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258F8F	#FFFFFF	#000000	##000000
##258F8F	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85888F

Deuteranopia (green-blind)

#767C90

Tritanopia (blue-blind)

#00948F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #258f8f;
/* rgb */ color: rgb(37, 143, 143);
/* oklch */ color: oklch(59.3% 0.092 195.0);

Tailwind

colors: {
  custom: {
    50: '#72b0af',
    500: '#258f8f',
    950: '#000000',
  },
}

SCSS

$custom: #258f8f;
$custom-light: #72b0af;
$custom-dark: #000000;

JSON

{
  "hex": "#258f8f",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 143
  },
  "hsl": {
    "h": 180,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.59318,
    "c": 0.09169,
    "h": 195
  },
  "luminance": 0.22021
}

Semantic roles & 50–950 ramp

primary

#258F8F

secondary

#B95757

accent

#4646E2

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258F8F

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

Preview Lab → · Contrast checker → · Palette generator →