#259E8B#259E8B

#259E8B is a light, moderate teal. Relative luminance 0.267; OKLCH L 63.1% C 0.106 H 179.4°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#259E8B
RGB	rgb(37, 158, 139)
HSL	hsl(171, 62%, 38%)
HSV	hsv(171, 77%, 62%)
CMYK	cmyk(76.6%, 0%, 12%, 38%)
CIE-LAB	lab(58.70, -36.75, 0.65)
CIE-LCH	lch(58.70, 36.76, 178.99°)
OKLab	oklab(63.07% -0.106 0.0011)
OKLCH	oklch(63.07% 0.106 179.4)
XYZ	xyz(17.6477, 26.7090, 28.6463)
Luminance	0.2671 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#259E8B #9E2538

analogous

#259E4F #259E8B #25749E

triadic

#259E8B #8B259E #9E8B25

tetradic

#259E8B #4F259E #9E2538 #749E25

square

#259E8B #4F259E #9E2538 #749E25

split-complementary

#259E8B #9E2574 #9E4F25

monochromatic

#0E3B34 #196C5F #259E8B #31CFB6 #63DAC8

Accessibility & contrast

On white

3.31

#259E8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#259E8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #259E8B

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##259E8B	#FFFFFF	#000000	##000000
##259E8B	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97948A

Deuteranopia (green-blind)

#87888D

Tritanopia (blue-blind)

#00A198

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #259e8b;
/* rgb */ color: rgb(37, 158, 139);
/* oklch */ color: oklch(63.1% 0.106 179.4);

Tailwind

colors: {
  custom: {
    50: '#74bbac',
    500: '#259e8b',
    950: '#000000',
  },
}

SCSS

$custom: #259e8b;
$custom-light: #74bbac;
$custom-dark: #000000;

JSON

{
  "hex": "#259e8b",
  "rgb": {
    "r": 37,
    "g": 158,
    "b": 139
  },
  "hsl": {
    "h": 170.579,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.63071,
    "c": 0.10597,
    "h": 179.4
  },
  "luminance": 0.26711
}

Semantic roles & 50–950 ramp

primary

#259E8B

secondary

#C05F6E

accent

#435CE5

background

#F7FBFA

surface

#EEF6F4

border

#C9D0CE

text

#0A1210

muted

#7C817F

Preview Lab

Preview with #259E8B

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

Preview Lab → · Contrast checker → · Palette generator →