#258BA4#258BA4

#258BA4 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.1% C 0.096 H 218.5°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#258BA4
RGB	rgb(37, 139, 164)
HSL	hsl(192, 63%, 39%)
HSV	hsv(192, 77%, 64%)
CMYK	cmyk(77.4%, 15.2%, 0%, 35.7%)
CIE-LAB	lab(53.53, -19.70, -21.41)
CIE-LCH	lch(53.53, 29.09, 227.39°)
OKLab	oklab(59.15% -0.0754 -0.0598)
OKLCH	oklch(59.15% 0.096 218.5)
XYZ	xyz(16.6936, 21.5369, 38.3920)
Luminance	0.2154 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258BA4 #A43E25

analogous

#25A47E #258BA4 #254CA4

triadic

#258BA4 #A4258B #8BA425

tetradic

#258BA4 #7E25A4 #A43E25 #4CA425

square

#258BA4 #7E25A4 #A43E25 #4CA425

split-complementary

#258BA4 #A4254C #A47E25

monochromatic

#0E3640 #1A6172 #258BA4 #35B3D1 #67C5DD

Accessibility & contrast

On white

3.96

#258BA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#258BA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258BA4

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258BA4	#FFFFFF	#000000	##000000
##258BA4	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B87A5

Deuteranopia (green-blind)

#6A7BA4

Tritanopia (blue-blind)

#009393

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258ba4;
/* rgb */ color: rgb(37, 139, 164);
/* oklch */ color: oklch(59.1% 0.096 218.5);

Tailwind

colors: {
  custom: {
    50: '#74adbf',
    500: '#258ba4',
    950: '#000000',
  },
}

SCSS

$custom: #258ba4;
$custom-light: #74adbf;
$custom-dark: #000000;

JSON

{
  "hex": "#258ba4",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 164
  },
  "hsl": {
    "h": 191.811,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.59148,
    "c": 0.09623,
    "h": 218.5
  },
  "luminance": 0.21539
}

Semantic roles & 50–950 ramp

primary

#258BA4

secondary

#C27562

accent

#6242E6

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258BA4

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

Preview Lab → · Contrast checker → · Palette generator →