#258D9B#258D9B

#258D9B is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.3% C 0.092 H 208.4°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#258D9B
RGB	rgb(37, 141, 155)
HSL	hsl(187, 61%, 38%)
HSV	hsv(187, 76%, 61%)
CMYK	cmyk(76.1%, 9%, 0%, 39.2%)
CIE-LAB	lab(53.82, -23.73, -15.78)
CIE-LCH	lch(53.82, 28.49, 213.63°)
OKLab	oklab(59.27% -0.0811 -0.0439)
OKLCH	oklch(59.27% 0.092 208.4)
XYZ	xyz(16.2016, 21.8077, 34.3594)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258D9B #9B3325

analogous

#259B6E #258D9B #25529B

triadic

#258D9B #9B258D #8D9B25

tetradic

#258D9B #6E259B #9B3325 #529B25

square

#258D9B #6E259B #9B3325 #529B25

split-complementary

#258D9B #9B2552 #9B6E25

monochromatic

#0D3338 #19606A #258D9B #31BACC #61CBD9

Accessibility & contrast

On white

3.92

#258D9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#258D9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258D9B

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258D9B	#FFFFFF	#000000	##000000
##258D9B	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80879C

Deuteranopia (green-blind)

#707C9B

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #258d9b;
/* rgb */ color: rgb(37, 141, 155);
/* oklch */ color: oklch(59.3% 0.092 208.4);

Tailwind

colors: {
  custom: {
    50: '#73aeb8',
    500: '#258d9b',
    950: '#000000',
  },
}

SCSS

$custom: #258d9b;
$custom-light: #73aeb8;
$custom-dark: #000000;

JSON

{
  "hex": "#258d9b",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 155
  },
  "hsl": {
    "h": 187.119,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.5927,
    "c": 0.09226,
    "h": 208.4
  },
  "luminance": 0.2181
}

Semantic roles & 50–950 ramp

primary

#258D9B

secondary

#BF695D

accent

#5643E5

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258D9B

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

Preview Lab → · Contrast checker → · Palette generator →