#258F8D#258F8D

#258F8D is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.2% C 0.092 H 193.1°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#258F8D
RGB	rgb(37, 143, 141)
HSL	hsl(179, 59%, 35%)
HSV	hsv(179, 74%, 56%)
CMYK	cmyk(74.1%, 0%, 1.4%, 43.9%)
CIE-LAB	lab(53.98, -29.13, -7.46)
CIE-LCH	lch(53.98, 30.07, 194.36°)
OKLab	oklab(59.25% -0.0895 -0.0208)
OKLCH	oklch(59.25% 0.092 193.1)
XYZ	xyz(15.3909, 21.9595, 28.6216)
Luminance	0.2196 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258F8D #8F2527

analogous

#258F58 #258F8D #255C8F

triadic

#258F8D #8D258F #8F8D25

tetradic

#258F8D #58258F #8F2527 #5C8F25

square

#258F8D #58258F #8F2527 #5C8F25

split-complementary

#258F8D #8F255C #8F5825

monochromatic

#0C2E2D #185E5D #258F8D #32C0BD #5AD4D2

Accessibility & contrast

On white

3.89

#258F8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#258F8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258F8D

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258F8D	#FFFFFF	#000000	##000000
##258F8D	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86888D

Deuteranopia (green-blind)

#767C8E

Tritanopia (blue-blind)

#00938E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #258f8d;
/* rgb */ color: rgb(37, 143, 141);
/* oklch */ color: oklch(59.2% 0.092 193.1);

Tailwind

colors: {
  custom: {
    50: '#72b0ae',
    500: '#258f8d',
    950: '#000000',
  },
}

SCSS

$custom: #258f8d;
$custom-light: #72b0ae;
$custom-dark: #000000;

JSON

{
  "hex": "#258f8d",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 141
  },
  "hsl": {
    "h": 178.868,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.59245,
    "c": 0.09189,
    "h": 193.1
  },
  "luminance": 0.21961
}

Semantic roles & 50–950 ramp

primary

#258F8D

secondary

#B95759

accent

#4649E2

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258F8D

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

Preview Lab → · Contrast checker → · Palette generator →