#258DA8#258DA8

#258DA8 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 59.8% C 0.099 H 219.7°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#258DA8
RGB	rgb(37, 141, 168)
HSL	hsl(192, 64%, 40%)
HSV	hsv(192, 78%, 66%)
CMYK	cmyk(78%, 16.1%, 0%, 34.1%)
CIE-LAB	lab(54.31, -19.41, -22.52)
CIE-LCH	lch(54.31, 29.73, 229.23°)
OKLab	oklab(59.83% -0.0757 -0.063)
OKLCH	oklch(59.83% 0.099 219.7)
XYZ	xyz(17.3527, 22.2681, 40.4218)
Luminance	0.2227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258DA8 #A84025

analogous

#25A881 #258DA8 #254CA8

triadic

#258DA8 #A8258D #8DA825

tetradic

#258DA8 #8125A8 #A84025 #4CA825

square

#258DA8 #8125A8 #A84025 #4CA825

split-complementary

#258DA8 #A8254C #A88125

monochromatic

#0F3944 #1A6376 #258DA8 #37B3D3 #69C6DE

Accessibility & contrast

On white

3.85

#258DA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#258DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258DA8

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258DA8	#FFFFFF	#000000	##000000
##258DA8	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89A9

Deuteranopia (green-blind)

#6B7CA8

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258da8;
/* rgb */ color: rgb(37, 141, 168);
/* oklch */ color: oklch(59.8% 0.099 219.7);

Tailwind

colors: {
  custom: {
    50: '#75aec2',
    500: '#258da8',
    950: '#000000',
  },
}

SCSS

$custom: #258da8;
$custom-light: #75aec2;
$custom-dark: #000000;

JSON

{
  "hex": "#258da8",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 168
  },
  "hsl": {
    "h": 192.366,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.59825,
    "c": 0.0985,
    "h": 219.7
  },
  "luminance": 0.2227
}

Semantic roles & 50–950 ramp

primary

#258DA8

secondary

#C47865

accent

#6341E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258DA8

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

Preview Lab → · Contrast checker → · Palette generator →