#258B78#258B78

#258B78 is a mid, moderate teal. Relative luminance 0.202; OKLCH L 57.5% C 0.095 H 177.3°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#258B78
RGB	rgb(37, 139, 120)
HSL	hsl(169, 58%, 35%)
HSV	hsv(169, 73%, 55%)
CMYK	cmyk(73.4%, 0%, 13.7%, 45.5%)
CIE-LAB	lab(52.08, -33.31, 1.89)
CIE-LCH	lch(52.08, 33.36, 176.75°)
OKLab	oklab(57.49% -0.0953 0.0045)
OKLCH	oklch(57.49% 0.095 177.3)
XYZ	xyz(13.3840, 20.2130, 20.9618)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B78 #8B2538

analogous

#258B45 #258B78 #256B8B

triadic

#258B78 #78258B #8B7825

tetradic

#258B78 #45258B #8B2538 #6B8B25

square

#258B78 #45258B #8B2538 #6B8B25

split-complementary

#258B78 #8B256B #8B4525

monochromatic

#0B2A25 #185B4E #258B78 #32BBA2 #58D3BC

Accessibility & contrast

On white

4.16

#258B78 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#258B78 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B78

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B78	#FFFFFF	#000000	##000000
##258B78	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858277

Deuteranopia (green-blind)

#787879

Tritanopia (blue-blind)

#008D85

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #258b78;
/* rgb */ color: rgb(37, 139, 120);
/* oklch */ color: oklch(57.5% 0.095 177.3);

Tailwind

colors: {
  custom: {
    50: '#70ad9e',
    500: '#258b78',
    950: '#000000',
  },
}

SCSS

$custom: #258b78;
$custom-light: #70ad9e;
$custom-dark: #000000;

JSON

{
  "hex": "#258b78",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 120
  },
  "hsl": {
    "h": 168.824,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57487,
    "c": 0.09546,
    "h": 177.3
  },
  "luminance": 0.20215
}

Semantic roles & 50–950 ramp

primary

#258B78

secondary

#B75567

accent

#4763E1

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #258B78

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

Preview Lab → · Contrast checker → · Palette generator →