#258397#258397

#258397 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.6% C 0.089 H 215.4°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#258397
RGB	rgb(37, 131, 151)
HSL	hsl(191, 61%, 37%)
HSV	hsv(191, 75%, 59%)
CMYK	cmyk(75.5%, 13.2%, 0%, 40.8%)
CIE-LAB	lab(50.52, -19.79, -18.49)
CIE-LCH	lch(50.52, 27.08, 223.05°)
OKLab	oklab(56.56% -0.0726 -0.0516)
OKLCH	oklch(56.56% 0.089 215.4)
XYZ	xyz(14.4628, 18.8586, 32.1500)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258397 #973925

analogous

#259772 #258397 #254A97

triadic

#258397 #972583 #839725

tetradic

#258397 #722597 #973925 #4A9725

square

#258397 #722597 #973925 #4A9725

split-complementary

#258397 #97254A #977225

monochromatic

#0D2E35 #195866 #258397 #31AEC8 #5FC2D8

Accessibility & contrast

On white

4.40

#258397 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#258397 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258397

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258397	#FFFFFF	#000000	##000000
##258397	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757F98

Deuteranopia (green-blind)

#667397

Tritanopia (blue-blind)

#008A89

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #258397;
/* rgb */ color: rgb(37, 131, 151);
/* oklch */ color: oklch(56.6% 0.089 215.4);

Tailwind

colors: {
  custom: {
    50: '#72a7b5',
    500: '#258397',
    950: '#000000',
  },
}

SCSS

$custom: #258397;
$custom-light: #72a7b5;
$custom-dark: #000000;

JSON

{
  "hex": "#258397",
  "rgb": {
    "r": 37,
    "g": 131,
    "b": 151
  },
  "hsl": {
    "h": 190.526,
    "s": 60.638,
    "l": 36.863
  },
  "oklch": {
    "l": 0.56559,
    "c": 0.08905,
    "h": 215.4
  },
  "luminance": 0.1886
}

Semantic roles & 50–950 ramp

primary

#258397

secondary

#BD6C5B

accent

#6044E4

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #258397

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

Preview Lab → · Contrast checker → · Palette generator →