#258FA9#258FA9

#258FA9 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.4% C 0.099 H 218.6°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#258FA9
RGB	rgb(37, 143, 169)
HSL	hsl(192, 64%, 40%)
HSV	hsv(192, 78%, 66%)
CMYK	cmyk(78.1%, 15.4%, 0%, 33.7%)
CIE-LAB	lab(54.97, -20.14, -22.08)
CIE-LCH	lch(54.97, 29.88, 227.63°)
OKLab	oklab(60.37% -0.0773 -0.0617)
OKLCH	oklch(60.37% 0.099 218.6)
XYZ	xyz(17.7438, 22.9006, 41.0135)
Luminance	0.2290 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258FA9 #A93F25

analogous

#25A981 #258FA9 #254DA9

triadic

#258FA9 #A9258F #8FA925

tetradic

#258FA9 #8125A9 #A93F25 #4DA925

square

#258FA9 #8125A9 #A93F25 #4DA925

split-complementary

#258FA9 #A9254D #A98125

monochromatic

#0F3A45 #1A6577 #258FA9 #38B5D3 #6AC7DE

Accessibility & contrast

On white

3.76

#258FA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#258FA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258FA9

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258FA9	#FFFFFF	#000000	##000000
##258FA9	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8BAA

Deuteranopia (green-blind)

#6D7EA9

Tritanopia (blue-blind)

#009897

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #258fa9;
/* rgb */ color: rgb(37, 143, 169);
/* oklch */ color: oklch(60.4% 0.099 218.6);

Tailwind

colors: {
  custom: {
    50: '#75b0c2',
    500: '#258fa9',
    950: '#000000',
  },
}

SCSS

$custom: #258fa9;
$custom-light: #75b0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#258fa9",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 169
  },
  "hsl": {
    "h": 191.818,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.60369,
    "c": 0.09893,
    "h": 218.6
  },
  "luminance": 0.22903
}

Semantic roles & 50–950 ramp

primary

#258FA9

secondary

#C47865

accent

#6141E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258FA9

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

Preview Lab → · Contrast checker → · Palette generator →