#258CA6#258CA6

#258CA6 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.5% C 0.097 H 219.1°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#258CA6
RGB	rgb(37, 140, 166)
HSL	hsl(192, 64%, 40%)
HSV	hsv(192, 78%, 65%)
CMYK	cmyk(77.7%, 15.7%, 0%, 34.9%)
CIE-LAB	lab(53.92, -19.56, -21.96)
CIE-LCH	lch(53.92, 29.41, 228.32°)
OKLab	oklab(59.49% -0.0756 -0.0614)
OKLCH	oklch(59.49% 0.097 219.1)
XYZ	xyz(17.0211, 21.9006, 39.3992)
Luminance	0.2190 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258CA6 #A63F25

analogous

#25A680 #258CA6 #254CA6

triadic

#258CA6 #A6258C #8CA625

tetradic

#258CA6 #8025A6 #A63F25 #4CA625

square

#258CA6 #8025A6 #A63F25 #4CA625

split-complementary

#258CA6 #A6254C #A68025

monochromatic

#0F3842 #1A6274 #258CA6 #36B3D2 #68C6DD

Accessibility & contrast

On white

3.90

#258CA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#258CA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258CA6

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258CA6	#FFFFFF	#000000	##000000
##258CA6	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C88A7

Deuteranopia (green-blind)

#6A7BA6

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #258ca6;
/* rgb */ color: rgb(37, 140, 166);
/* oklch */ color: oklch(59.5% 0.097 219.1);

Tailwind

colors: {
  custom: {
    50: '#75adc0',
    500: '#258ca6',
    950: '#000000',
  },
}

SCSS

$custom: #258ca6;
$custom-light: #75adc0;
$custom-dark: #000000;

JSON

{
  "hex": "#258ca6",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 166
  },
  "hsl": {
    "h": 192.093,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.59487,
    "c": 0.09736,
    "h": 219.1
  },
  "luminance": 0.21903
}

Semantic roles & 50–950 ramp

primary

#258CA6

secondary

#C37764

accent

#6341E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258CA6

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

Preview Lab → · Contrast checker → · Palette generator →