#258CA9#258CA9

#258CA9 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.6% C 0.099 H 221.5°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#258CA9
RGB	rgb(37, 140, 169)
HSL	hsl(193, 64%, 40%)
HSV	hsv(193, 78%, 66%)
CMYK	cmyk(78.1%, 17.2%, 0%, 33.7%)
CIE-LAB	lab(54.04, -18.54, -23.51)
CIE-LCH	lch(54.04, 29.94, 231.74°)
OKLab	oklab(59.62% -0.0743 -0.0658)
OKLCH	oklch(59.62% 0.099 221.5)
XYZ	xyz(17.2995, 22.0119, 40.8654)
Luminance	0.2201 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258CA9 #A94225

analogous

#25A984 #258CA9 #254AA9

triadic

#258CA9 #A9258C #8CA925

tetradic

#258CA9 #8425A9 #A94225 #4AA925

square

#258CA9 #8425A9 #A94225 #4AA925

split-complementary

#258CA9 #A9254A #A98425

monochromatic

#0F3945 #1A6277 #258CA9 #38B1D3 #6AC5DE

Accessibility & contrast

On white

3.89

#258CA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#258CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258CA9

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258CA9	#FFFFFF	#000000	##000000
##258CA9	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B88AB

Deuteranopia (green-blind)

#697CA9

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #258ca9;
/* rgb */ color: rgb(37, 140, 169);
/* oklch */ color: oklch(59.6% 0.099 221.5);

Tailwind

colors: {
  custom: {
    50: '#75adc2',
    500: '#258ca9',
    950: '#000000',
  },
}

SCSS

$custom: #258ca9;
$custom-light: #75adc2;
$custom-dark: #000000;

JSON

{
  "hex": "#258ca9",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 169
  },
  "hsl": {
    "h": 193.182,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.59621,
    "c": 0.09929,
    "h": 221.5
  },
  "luminance": 0.22014
}

Semantic roles & 50–950 ramp

primary

#258CA9

secondary

#C47A65

accent

#6541E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258CA9

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

Preview Lab → · Contrast checker → · Palette generator →