#258CA1#258CA1

#258CA1 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.3% C 0.095 H 214.9°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#258CA1
RGB	rgb(37, 140, 161)
HSL	hsl(190, 63%, 39%)
HSV	hsv(190, 77%, 63%)
CMYK	cmyk(77%, 13%, 0%, 36.9%)
CIE-LAB	lab(53.73, -21.23, -19.38)
CIE-LCH	lch(53.73, 28.75, 222.39°)
OKLab	oklab(59.27% -0.0776 -0.0541)
OKLCH	oklch(59.27% 0.095 214.9)
XYZ	xyz(16.5713, 21.7207, 37.0304)
Luminance	0.2172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258CA1 #A13A25

analogous

#25A178 #258CA1 #254EA1

triadic

#258CA1 #A1258C #8CA125

tetradic

#258CA1 #7825A1 #A13A25 #4EA125

square

#258CA1 #7825A1 #A13A25 #4EA125

split-complementary

#258CA1 #A1254E #A17825

monochromatic

#0E353D #1A616F #258CA1 #33B6D0 #65C7DC

Accessibility & contrast

On white

3.93

#258CA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#258CA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258CA1

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258CA1	#FFFFFF	#000000	##000000
##258CA1	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)

#7D87A2

Deuteranopia (green-blind)

#6C7BA1

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258ca1;
/* rgb */ color: rgb(37, 140, 161);
/* oklch */ color: oklch(59.3% 0.095 214.9);

Tailwind

colors: {
  custom: {
    50: '#74aebc',
    500: '#258ca1',
    950: '#000000',
  },
}

SCSS

$custom: #258ca1;
$custom-light: #74aebc;
$custom-dark: #000000;

JSON

{
  "hex": "#258ca1",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 161
  },
  "hsl": {
    "h": 190.161,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.59269,
    "c": 0.09457,
    "h": 214.9
  },
  "luminance": 0.21723
}

Semantic roles & 50–950 ramp

primary

#258CA1

secondary

#C17161

accent

#5E42E6

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #258CA1

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

Preview Lab → · Contrast checker → · Palette generator →