#258FA8#258FA8

#258FA8 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.3% C 0.098 H 217.8°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#258FA8
RGB	rgb(37, 143, 168)
HSL	hsl(191, 64%, 40%)
HSV	hsv(191, 78%, 66%)
CMYK	cmyk(78%, 14.9%, 0%, 34.1%)
CIE-LAB	lab(54.93, -20.48, -21.56)
CIE-LCH	lch(54.93, 29.74, 226.48°)
OKLab	oklab(60.33% -0.0777 -0.0603)
OKLCH	oklch(60.33% 0.098 217.8)
XYZ	xyz(17.6503, 22.8632, 40.5210)
Luminance	0.2286 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258FA8 #A83E25

analogous

#25A87F #258FA8 #254EA8

triadic

#258FA8 #A8258F #8FA825

tetradic

#258FA8 #7F25A8 #A83E25 #4EA825

square

#258FA8 #7F25A8 #A83E25 #4EA825

split-complementary

#258FA8 #A8254E #A87F25

monochromatic

#0F3A44 #1A6476 #258FA8 #37B5D3 #69C8DE

Accessibility & contrast

On white

3.77

#258FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#258FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258FA8

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258FA8	#FFFFFF	#000000	##000000
##258FA8	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8BA9

Deuteranopia (green-blind)

#6D7EA8

Tritanopia (blue-blind)

#009897

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #258fa8;
/* rgb */ color: rgb(37, 143, 168);
/* oklch */ color: oklch(60.3% 0.098 217.8);

Tailwind

colors: {
  custom: {
    50: '#75b0c2',
    500: '#258fa8',
    950: '#000000',
  },
}

SCSS

$custom: #258fa8;
$custom-light: #75b0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#258fa8",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 168
  },
  "hsl": {
    "h": 191.45,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.60325,
    "c": 0.09834,
    "h": 217.8
  },
  "luminance": 0.22865
}

Semantic roles & 50–950 ramp

primary

#258FA8

secondary

#C47765

accent

#6141E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258FA8

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

Preview Lab → · Contrast checker → · Palette generator →