#258EA8#258EA8

#258EA8 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.1% C 0.098 H 218.8°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#258EA8
RGB	rgb(37, 142, 168)
HSL	hsl(192, 64%, 40%)
HSV	hsv(192, 78%, 66%)
CMYK	cmyk(78%, 15.5%, 0%, 34.1%)
CIE-LAB	lab(54.62, -19.95, -22.04)
CIE-LCH	lch(54.62, 29.73, 227.85°)
OKLab	oklab(60.08% -0.0767 -0.0616)
OKLCH	oklch(60.08% 0.098 218.8)
XYZ	xyz(17.5008, 22.5643, 40.4712)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258EA8 #A83F25

analogous

#25A880 #258EA8 #254DA8

triadic

#258EA8 #A8258E #8EA825

tetradic

#258EA8 #8025A8 #A83F25 #4DA825

square

#258EA8 #8025A8 #A83F25 #4DA825

split-complementary

#258EA8 #A8254D #A88025

monochromatic

#0F3944 #1A6476 #258EA8 #37B4D3 #69C7DE

Accessibility & contrast

On white

3.81

#258EA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#258EA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258EA8

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258EA8	#FFFFFF	#000000	##000000
##258EA8	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8AA9

Deuteranopia (green-blind)

#6C7DA8

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #258ea8;
/* rgb */ color: rgb(37, 142, 168);
/* oklch */ color: oklch(60.1% 0.098 218.8);

Tailwind

colors: {
  custom: {
    50: '#75afc2',
    500: '#258ea8',
    950: '#000000',
  },
}

SCSS

$custom: #258ea8;
$custom-light: #75afc2;
$custom-dark: #000000;

JSON

{
  "hex": "#258ea8",
  "rgb": {
    "r": 37,
    "g": 142,
    "b": 168
  },
  "hsl": {
    "h": 191.908,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.60075,
    "c": 0.09841,
    "h": 218.8
  },
  "luminance": 0.22566
}

Semantic roles & 50–950 ramp

primary

#258EA8

secondary

#C47865

accent

#6241E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258EA8

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

Preview Lab → · Contrast checker → · Palette generator →