#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
RGB	rgb(37, 142, 143)
HSL	hsl(181, 59%, 35%)
HSV	hsv(181, 74%, 56%)
CMYK	cmyk(74.1%, 0.7%, 0%, 43.9%)
CIE-LAB	lab(53.73, -28.02, -8.99)
CIE-LCH	lch(53.73, 29.43, 197.79°)
OKLab	oklab(59.06% -0.0875 -0.025)
OKLCH	oklch(59.06% 0.091 195.9)
XYZ	xyz(15.3916, 21.7206, 29.3626)
Luminance	0.2172 (WCAG relative)
Temperature	cool
Family	teal

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
##258E8F	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

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 →