#258CA4#258CA4

#258CA4 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.4% C 0.096 H 217.4°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#258CA4
RGB	rgb(37, 140, 164)
HSL	hsl(191, 63%, 39%)
HSV	hsv(191, 77%, 64%)
CMYK	cmyk(77.4%, 14.6%, 0%, 35.7%)
CIE-LAB	lab(53.84, -20.23, -20.93)
CIE-LCH	lch(53.84, 29.11, 225.98°)
OKLab	oklab(59.4% -0.0764 -0.0585)
OKLCH	oklch(59.4% 0.096 217.4)
XYZ	xyz(16.8390, 21.8278, 38.4405)
Luminance	0.2183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258CA4 #A43D25

analogous

#25A47D #258CA4 #254CA4

triadic

#258CA4 #A4258C #8CA425

tetradic

#258CA4 #7D25A4 #A43D25 #4CA425

square

#258CA4 #7D25A4 #A43D25 #4CA425

split-complementary

#258CA4 #A4254C #A47D25

monochromatic

#0E3740 #1A6172 #258CA4 #35B4D1 #67C6DD

Accessibility & contrast

On white

3.91

#258CA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#258CA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258CA4

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258CA4	#FFFFFF	#000000	##000000
##258CA4	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C88A5

Deuteranopia (green-blind)

#6B7BA4

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #258ca4;
/* rgb */ color: rgb(37, 140, 164);
/* oklch */ color: oklch(59.4% 0.096 217.4);

Tailwind

colors: {
  custom: {
    50: '#74adbf',
    500: '#258ca4',
    950: '#000000',
  },
}

SCSS

$custom: #258ca4;
$custom-light: #74adbf;
$custom-dark: #000000;

JSON

{
  "hex": "#258ca4",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 164
  },
  "hsl": {
    "h": 191.339,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.59399,
    "c": 0.09618,
    "h": 217.4
  },
  "luminance": 0.2183
}

Semantic roles & 50–950 ramp

primary

#258CA4

secondary

#C27562

accent

#6142E6

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258CA4

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

Preview Lab → · Contrast checker → · Palette generator →