#258E8A#258E8A

#258E8A is a mid, moderate teal. Relative luminance 0.216; OKLCH L 58.9% C 0.092 H 191.1°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#258E8A
RGB	rgb(37, 142, 138)
HSL	hsl(178, 59%, 35%)
HSV	hsv(178, 74%, 56%)
CMYK	cmyk(73.9%, 0%, 2.8%, 44.3%)
CIE-LAB	lab(53.57, -29.54, -6.34)
CIE-LCH	lch(53.57, 30.22, 192.11°)
OKLab	oklab(58.88% -0.0899 -0.0177)
OKLCH	oklch(58.88% 0.092 191.1)
XYZ	xyz(15.0213, 21.5725, 27.4121)
Luminance	0.2157 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258E8A #8E2529

analogous

#258E55 #258E8A #255E8E

triadic

#258E8A #8A258E #8E8A25

tetradic

#258E8A #55258E #8E2529 #5E8E25

square

#258E8A #55258E #8E2529 #5E8E25

split-complementary

#258E8A #8E255E #8E5525

monochromatic

#0C2D2C #185D5B #258E8A #32BFB9 #5AD4CF

Accessibility & contrast

On white

3.95

#258E8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#258E8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258E8A

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258E8A	#FFFFFF	#000000	##000000
##258E8A	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85868A

Deuteranopia (green-blind)

#767B8B

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258e8a;
/* rgb */ color: rgb(37, 142, 138);
/* oklch */ color: oklch(58.9% 0.092 191.1);

Tailwind

colors: {
  custom: {
    50: '#72afac',
    500: '#258e8a',
    950: '#000000',
  },
}

SCSS

$custom: #258e8a;
$custom-light: #72afac;
$custom-dark: #000000;

JSON

{
  "hex": "#258e8a",
  "rgb": {
    "r": 37,
    "g": 142,
    "b": 138
  },
  "hsl": {
    "h": 177.714,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58878,
    "c": 0.09159,
    "h": 191.1
  },
  "luminance": 0.21574
}

Semantic roles & 50–950 ramp

primary

#258E8A

secondary

#B9565A

accent

#464CE2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258E8A

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

Preview Lab → · Contrast checker → · Palette generator →