#258DA6#258DA6

#258DA6 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 59.7% C 0.097 H 218.1°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#258DA6
RGB	rgb(37, 141, 166)
HSL	hsl(192, 64%, 40%)
HSV	hsv(192, 78%, 65%)
CMYK	cmyk(77.7%, 15.1%, 0%, 34.9%)
CIE-LAB	lab(54.23, -20.09, -21.49)
CIE-LCH	lch(54.23, 29.42, 226.93°)
OKLab	oklab(59.74% -0.0765 -0.06)
OKLCH	oklch(59.74% 0.097 218.1)
XYZ	xyz(17.1678, 22.1941, 39.4481)
Luminance	0.2220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258DA6 #A63E25

analogous

#25A67F #258DA6 #254CA6

triadic

#258DA6 #A6258D #8DA625

tetradic

#258DA6 #7F25A6 #A63E25 #4CA625

square

#258DA6 #7F25A6 #A63E25 #4CA625

split-complementary

#258DA6 #A6254C #A67F25

monochromatic

#0F3842 #1A6274 #258DA6 #36B4D2 #68C7DD

Accessibility & contrast

On white

3.86

#258DA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#258DA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258DA6

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258DA6	#FFFFFF	#000000	##000000
##258DA6	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D89A7

Deuteranopia (green-blind)

#6C7CA6

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258da6;
/* rgb */ color: rgb(37, 141, 166);
/* oklch */ color: oklch(59.7% 0.097 218.1);

Tailwind

colors: {
  custom: {
    50: '#75aec0',
    500: '#258da6',
    950: '#000000',
  },
}

SCSS

$custom: #258da6;
$custom-light: #75aec0;
$custom-dark: #000000;

JSON

{
  "hex": "#258da6",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 166
  },
  "hsl": {
    "h": 191.628,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.59737,
    "c": 0.09729,
    "h": 218.1
  },
  "luminance": 0.22196
}

Semantic roles & 50–950 ramp

primary

#258DA6

secondary

#C37664

accent

#6141E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258DA6

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

Preview Lab → · Contrast checker → · Palette generator →