#259FA3#259FA3

#259FA3 is a light, moderate teal. Relative luminance 0.278; OKLCH L 64.1% C 0.101 H 198.3°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#259FA3
RGB	rgb(37, 159, 163)
HSL	hsl(182, 63%, 39%)
HSV	hsv(182, 77%, 64%)
CMYK	cmyk(77.3%, 2.5%, 0%, 36.1%)
CIE-LAB	lab(59.74, -30.20, -11.42)
CIE-LCH	lch(59.74, 32.29, 200.72°)
OKLab	oklab(64.15% -0.0958 -0.0317)
OKLCH	oklch(64.15% 0.101 198.3)
XYZ	xyz(19.7689, 27.8315, 38.9733)
Luminance	0.2783 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#259FA3 #A32925

analogous

#25A368 #259FA3 #2560A3

triadic

#259FA3 #A3259F #9FA325

tetradic

#259FA3 #6825A3 #A32925 #60A325

square

#259FA3 #6825A3 #A32925 #60A325

split-complementary

#259FA3 #A32560 #A36825

monochromatic

#0E3E3F #1A6E71 #259FA3 #34CCD1 #66D9DC

Accessibility & contrast

On white

3.20

#259FA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#259FA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #259FA3

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##259FA3	#FFFFFF	#000000	##000000
##259FA3	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9397A3

Deuteranopia (green-blind)

#828AA4

Tritanopia (blue-blind)

#00A5A0

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #259fa3;
/* rgb */ color: rgb(37, 159, 163);
/* oklch */ color: oklch(64.1% 0.101 198.3);

Tailwind

colors: {
  custom: {
    50: '#77bcbe',
    500: '#259fa3',
    950: '#000000',
  },
}

SCSS

$custom: #259fa3;
$custom-light: #77bcbe;
$custom-dark: #000000;

JSON

{
  "hex": "#259fa3",
  "rgb": {
    "r": 37,
    "g": 159,
    "b": 163
  },
  "hsl": {
    "h": 181.905,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.64149,
    "c": 0.10094,
    "h": 198.3
  },
  "luminance": 0.27834
}

Semantic roles & 50–950 ramp

primary

#259FA3

secondary

#C26562

accent

#4742E6

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #259FA3

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

Preview Lab → · Contrast checker → · Palette generator →