#258CB1#258CB1

#258CB1 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.0% C 0.105 H 227.4°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#258CB1
RGB	rgb(37, 140, 177)
HSL	hsl(196, 65%, 42%)
HSV	hsv(196, 79%, 69%)
CMYK	cmyk(79.1%, 20.9%, 0%, 30.6%)
CIE-LAB	lab(54.37, -15.78, -27.59)
CIE-LCH	lch(54.37, 31.78, 240.23°)
OKLab	oklab(59.99% -0.0713 -0.0775)
OKLCH	oklch(59.99% 0.105 227.4)
XYZ	xyz(18.0736, 22.3216, 44.9424)
Luminance	0.2232 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258CB1 #B14A25

analogous

#25B190 #258CB1 #2546B1

triadic

#258CB1 #B1258C #8CB125

tetradic

#258CB1 #9025B1 #B14A25 #46B125

square

#258CB1 #9025B1 #B14A25 #46B125

split-complementary

#258CB1 #B12546 #B19025

monochromatic

#103C4C #1A647E #258CB1 #3DAED6 #6FC3E1

Accessibility & contrast

On white

3.84

#258CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#258CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258CB1

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258CB1	#FFFFFF	#000000	##000000
##258CB1	1.00	3.84	5.46	5.46
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7889B3

Deuteranopia (green-blind)

#667CB1

Tritanopia (blue-blind)

#009798

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258cb1;
/* rgb */ color: rgb(37, 140, 177);
/* oklch */ color: oklch(60.0% 0.105 227.4);

Tailwind

colors: {
  custom: {
    50: '#76adc8',
    500: '#258cb1',
    950: '#000000',
  },
}

SCSS

$custom: #258cb1;
$custom-light: #76adc8;
$custom-dark: #000000;

JSON

{
  "hex": "#258cb1",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 177
  },
  "hsl": {
    "h": 195.857,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.59991,
    "c": 0.10529,
    "h": 227.4
  },
  "luminance": 0.22324
}

Semantic roles & 50–950 ramp

primary

#258CB1

secondary

#C8836A

accent

#6C3FE8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #258CB1

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

Preview Lab → · Contrast checker → · Palette generator →