#258A8F#258A8F

#258A8F is a mid, moderate teal. Relative luminance 0.206; OKLCH L 58.0% C 0.089 H 200.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#258A8F
RGB	rgb(37, 138, 143)
HSL	hsl(183, 59%, 35%)
HSV	hsv(183, 74%, 56%)
CMYK	cmyk(74.1%, 3.5%, 0%, 43.9%)
CIE-LAB	lab(52.46, -26.03, -10.90)
CIE-LCH	lch(52.46, 28.22, 202.72°)
OKLab	oklab(58.03% -0.0834 -0.0303)
OKLCH	oklch(58.03% 0.089 200)
XYZ	xyz(14.8071, 20.5517, 29.1678)
Luminance	0.2055 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258A8F #8F2A25

analogous

#258F5F #258A8F #25558F

triadic

#258A8F #8F258A #8A8F25

tetradic

#258A8F #5F258F #8F2A25 #558F25

square

#258A8F #5F258F #8F2A25 #558F25

split-complementary

#258A8F #8F2555 #8F5F25

monochromatic

#0C2C2E #185B5E #258A8F #32B9C0 #5ACFD4

Accessibility & contrast

On white

4.11

#258A8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#258A8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258A8F

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258A8F	#FFFFFF	#000000	##000000
##258A8F	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80848F

Deuteranopia (green-blind)

#707890

Tritanopia (blue-blind)

#008F8B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #258a8f;
/* rgb */ color: rgb(37, 138, 143);
/* oklch */ color: oklch(58.0% 0.089 200.0);

Tailwind

colors: {
  custom: {
    50: '#71acaf',
    500: '#258a8f',
    950: '#000000',
  },
}

SCSS

$custom: #258a8f;
$custom-light: #71acaf;
$custom-dark: #000000;

JSON

{
  "hex": "#258a8f",
  "rgb": {
    "r": 37,
    "g": 138,
    "b": 143
  },
  "hsl": {
    "h": 182.83,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.58026,
    "c": 0.0887,
    "h": 200
  },
  "luminance": 0.20553
}

Semantic roles & 50–950 ramp

primary

#258A8F

secondary

#B95B57

accent

#4D46E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258A8F

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

Preview Lab → · Contrast checker → · Palette generator →