#258BA8#258BA8

#258BA8 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.3% C 0.099 H 221.7°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#258BA8
RGB	rgb(37, 139, 168)
HSL	hsl(193, 64%, 40%)
HSV	hsv(193, 78%, 66%)
CMYK	cmyk(78%, 17.3%, 0%, 34.1%)
CIE-LAB	lab(53.69, -18.34, -23.47)
CIE-LCH	lch(53.69, 29.79, 232.00°)
OKLab	oklab(59.33% -0.0737 -0.0657)
OKLCH	oklch(59.33% 0.099 221.7)
XYZ	xyz(17.0605, 21.6836, 40.3244)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258BA8 #A84225

analogous

#25A883 #258BA8 #254AA8

triadic

#258BA8 #A8258B #8BA825

tetradic

#258BA8 #8325A8 #A84225 #4AA825

square

#258BA8 #8325A8 #A84225 #4AA825

split-complementary

#258BA8 #A8254A #A88325

monochromatic

#0F3844 #1A6276 #258BA8 #37B1D3 #69C4DE

Accessibility & contrast

On white

3.93

#258BA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#258BA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258BA8

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258BA8	#FFFFFF	#000000	##000000
##258BA8	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A87AA

Deuteranopia (green-blind)

#687BA8

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258ba8;
/* rgb */ color: rgb(37, 139, 168);
/* oklch */ color: oklch(59.3% 0.099 221.7);

Tailwind

colors: {
  custom: {
    50: '#75adc2',
    500: '#258ba8',
    950: '#000000',
  },
}

SCSS

$custom: #258ba8;
$custom-light: #75adc2;
$custom-dark: #000000;

JSON

{
  "hex": "#258ba8",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 168
  },
  "hsl": {
    "h": 193.282,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.59327,
    "c": 0.09878,
    "h": 221.7
  },
  "luminance": 0.21686
}

Semantic roles & 50–950 ramp

primary

#258BA8

secondary

#C47A65

accent

#6641E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258BA8

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

Preview Lab → · Contrast checker → · Palette generator →