#258A8D#258A8D

#258A8D is a mid, moderate teal. Relative luminance 0.205; OKLCH L 58.0% C 0.089 H 198.0°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#258A8D
RGB	rgb(37, 138, 141)
HSL	hsl(182, 58%, 35%)
HSV	hsv(182, 74%, 55%)
CMYK	cmyk(73.8%, 2.1%, 0%, 44.7%)
CIE-LAB	lab(52.39, -26.65, -9.84)
CIE-LCH	lch(52.39, 28.41, 200.26°)
OKLab	oklab(57.95% -0.0843 -0.0273)
OKLCH	oklch(57.95% 0.089 198)
XYZ	xyz(14.6570, 20.4916, 28.3769)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258A8D #8D2825

analogous

#258D5C #258A8D #25568D

triadic

#258A8D #8D258A #8A8D25

tetradic

#258A8D #5C258D #8D2825 #568D25

square

#258A8D #5C258D #8D2825 #568D25

split-complementary

#258A8D #8D2556 #8D5C25

monochromatic

#0C2B2C #185B5D #258A8D #32B9BD #59D0D3

Accessibility & contrast

On white

4.12

#258A8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#258A8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258A8D

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258A8D	#FFFFFF	#000000	##000000
##258A8D	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80838D

Deuteranopia (green-blind)

#71788E

Tritanopia (blue-blind)

#008F8B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #258a8d;
/* rgb */ color: rgb(37, 138, 141);
/* oklch */ color: oklch(58.0% 0.089 198.0);

Tailwind

colors: {
  custom: {
    50: '#71acae',
    500: '#258a8d',
    950: '#000000',
  },
}

SCSS

$custom: #258a8d;
$custom-light: #71acae;
$custom-dark: #000000;

JSON

{
  "hex": "#258a8d",
  "rgb": {
    "r": 37,
    "g": 138,
    "b": 141
  },
  "hsl": {
    "h": 181.731,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.5795,
    "c": 0.0886,
    "h": 198
  },
  "luminance": 0.20493
}

Semantic roles & 50–950 ramp

primary

#258A8D

secondary

#B85956

accent

#4B46E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258A8D

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

Preview Lab → · Contrast checker → · Palette generator →