#258BA1#258BA1

#258BA1 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.0% C 0.095 H 215.9°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#258BA1
RGB	rgb(37, 139, 161)
HSL	hsl(191, 63%, 39%)
HSV	hsv(191, 77%, 63%)
CMYK	cmyk(77%, 13.7%, 0%, 36.9%)
CIE-LAB	lab(53.42, -20.70, -19.86)
CIE-LCH	lch(53.42, 28.69, 223.81°)
OKLab	oklab(59.02% -0.0766 -0.0554)
OKLCH	oklch(59.02% 0.095 215.9)
XYZ	xyz(16.4259, 21.4298, 36.9820)
Luminance	0.2143 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258BA1 #A13B25

analogous

#25A179 #258BA1 #254DA1

triadic

#258BA1 #A1258B #8BA125

tetradic

#258BA1 #7925A1 #A13B25 #4DA125

square

#258BA1 #7925A1 #A13B25 #4DA125

split-complementary

#258BA1 #A1254D #A17925

monochromatic

#0E353D #1A606F #258BA1 #33B4D0 #65C7DC

Accessibility & contrast

On white

3.97

#258BA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#258BA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258BA1

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258BA1	#FFFFFF	#000000	##000000
##258BA1	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C87A2

Deuteranopia (green-blind)

#6B7AA1

Tritanopia (blue-blind)

#009392

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258ba1;
/* rgb */ color: rgb(37, 139, 161);
/* oklch */ color: oklch(59.0% 0.095 215.9);

Tailwind

colors: {
  custom: {
    50: '#74adbc',
    500: '#258ba1',
    950: '#000000',
  },
}

SCSS

$custom: #258ba1;
$custom-light: #74adbc;
$custom-dark: #000000;

JSON

{
  "hex": "#258ba1",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 161
  },
  "hsl": {
    "h": 190.645,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.59017,
    "c": 0.09454,
    "h": 215.9
  },
  "luminance": 0.21432
}

Semantic roles & 50–950 ramp

primary

#258BA1

secondary

#C17261

accent

#5F42E6

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #258BA1

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

Preview Lab → · Contrast checker → · Palette generator →