#258A8A#258A8A

#258A8A is a mid, moderate teal. Relative luminance 0.204; OKLCH L 57.8% C 0.089 H 195.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#258A8A
RGB	rgb(37, 138, 138)
HSL	hsl(180, 58%, 34%)
HSV	hsv(180, 73%, 54%)
CMYK	cmyk(73.2%, 0%, 0%, 45.9%)
CIE-LAB	lab(52.29, -27.58, -8.24)
CIE-LCH	lch(52.29, 28.78, 196.64°)
OKLab	oklab(57.84% -0.0857 -0.0229)
OKLCH	oklch(57.84% 0.089 195)
XYZ	xyz(14.4368, 20.4035, 27.2172)
Luminance	0.2041 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258A8A #8A2525

analogous

#258A58 #258A8A #25588A

triadic

#258A8A #8A258A #8A8A25

tetradic

#258A8A #58258A #8A2525 #588A25

square

#258A8A #58258A #8A2525 #588A25

split-complementary

#258A8A #8A2558 #8A5825

monochromatic

#0B2929 #185A5A #258A8A #32BABA #57D2D2

Accessibility & contrast

On white

4.13

#258A8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#258A8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258A8A

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258A8A	#FFFFFF	#000000	##000000
##258A8A	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81838A

Deuteranopia (green-blind)

#72788B

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #258a8a;
/* rgb */ color: rgb(37, 138, 138);
/* oklch */ color: oklch(57.8% 0.089 195.0);

Tailwind

colors: {
  custom: {
    50: '#71acac',
    500: '#258a8a',
    950: '#000000',
  },
}

SCSS

$custom: #258a8a;
$custom-light: #71acac;
$custom-dark: #000000;

JSON

{
  "hex": "#258a8a",
  "rgb": {
    "r": 37,
    "g": 138,
    "b": 138
  },
  "hsl": {
    "h": 180,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57838,
    "c": 0.08867,
    "h": 195
  },
  "luminance": 0.20405
}

Semantic roles & 50–950 ramp

primary

#258A8A

secondary

#B75454

accent

#4747E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258A8A

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

Preview Lab → · Contrast checker → · Palette generator →