#259F8B#259F8B

#259F8B is a light, moderate teal. Relative luminance 0.271; OKLCH L 63.3% C 0.107 H 178.7°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#259F8B
RGB	rgb(37, 159, 139)
HSL	hsl(170, 62%, 38%)
HSV	hsv(170, 77%, 62%)
CMYK	cmyk(76.7%, 0%, 12.6%, 37.6%)
CIE-LAB	lab(59.02, -37.20, 1.11)
CIE-LCH	lch(59.02, 37.22, 178.29°)
OKLab	oklab(63.33% -0.107 0.0024)
OKLCH	oklch(63.33% 0.107 178.7)
XYZ	xyz(17.8189, 27.0515, 28.7034)
Luminance	0.2705 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#259F8B #9F2539

analogous

#259F4E #259F8B #25769F

triadic

#259F8B #8B259F #9F8B25

tetradic

#259F8B #4E259F #9F2539 #769F25

square

#259F8B #4E259F #9F2539 #769F25

split-complementary

#259F8B #9F2576 #9F4E25

monochromatic

#0E3C34 #196D60 #259F8B #32CFB5 #64DBC7

Accessibility & contrast

On white

3.28

#259F8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#259F8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #259F8B

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##259F8B	#FFFFFF	#000000	##000000
##259F8B	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98958A

Deuteranopia (green-blind)

#88898D

Tritanopia (blue-blind)

#00A299

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #259f8b;
/* rgb */ color: rgb(37, 159, 139);
/* oklch */ color: oklch(63.3% 0.107 178.7);

Tailwind

colors: {
  custom: {
    50: '#74bcac',
    500: '#259f8b',
    950: '#000000',
  },
}

SCSS

$custom: #259f8b;
$custom-light: #74bcac;
$custom-dark: #000000;

JSON

{
  "hex": "#259f8b",
  "rgb": {
    "r": 37,
    "g": 159,
    "b": 139
  },
  "hsl": {
    "h": 170.164,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.63331,
    "c": 0.10701,
    "h": 178.7
  },
  "luminance": 0.27054
}

Semantic roles & 50–950 ramp

primary

#259F8B

secondary

#C05F6F

accent

#425DE5

background

#F7FBFA

surface

#EEF6F4

border

#C9D0CE

text

#0A1210

muted

#7C817F

Preview Lab

Preview with #259F8B

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

Preview Lab → · Contrast checker → · Palette generator →