#258E8F#258E8F

#258E8F is a mid, moderate teal. Relative luminance 0.217; OKLCH L 59.1% C 0.091 H 195.9°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX#258E8F
RGBrgb(37, 142, 143)
HSLhsl(181, 59%, 35%)
HSVhsv(181, 74%, 56%)
CMYKcmyk(74.1%, 0.7%, 0%, 43.9%)
CIE-LABlab(53.73, -28.02, -8.99)
CIE-LCHlch(53.73, 29.43, 197.79°)
OKLaboklab(59.06% -0.0875 -0.025)
OKLCHoklch(59.06% 0.091 195.9)
XYZxyz(15.3916, 21.7206, 29.3626)
Luminance0.2172 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#258E8F #8F2625
analogous
#258F5B #258E8F #25598F
triadic
#258E8F #8F258E #8E8F25
tetradic
#258E8F #5B258F #8F2625 #598F25
square
#258E8F #5B258F #8F2625 #598F25
split-complementary
#258E8F #8F2559 #8F5B25
monochromatic
#0C2D2E #185E5E #258E8F #32BEC0 #5AD3D4

Accessibility & contrast

On white

3.93
#258E8F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.34
#258E8F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258E8F
5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##258E8F#FFFFFF#000000##000000
##258E8F1.003.935.345.34
#FFFFFF3.931.0021.0021.00
#0000005.3421.001.001.00
##0000005.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#84878F
Deuteranopia (green-blind)
#757C90
Tritanopia (blue-blind)
#00938E
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #258e8f;
/* rgb */ color: rgb(37, 142, 143);
/* oklch */ color: oklch(59.1% 0.091 195.9);
Tailwind
colors: {
  custom: {
    50: '#72afaf',
    500: '#258e8f',
    950: '#000000',
  },
}
SCSS
$custom: #258e8f;
$custom-light: #72afaf;
$custom-dark: #000000;
JSON
{
  "hex": "#258e8f",
  "rgb": {
    "r": 37,
    "g": 142,
    "b": 143
  },
  "hsl": {
    "h": 180.566,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.59059,
    "c": 0.09104,
    "h": 195.9
  },
  "luminance": 0.21722
}

Semantic roles & 50–950 ramp

primary
#258E8F
secondary
#B95857
accent
#4746E2
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#091010
muted
#7B7F7F

Preview Lab

Preview with #258E8F

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

Preview Lab → · Contrast checker → · Palette generator →

#258E8F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva