#258EAB#258EAB

#258EAB is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.2% C 0.100 H 221.2°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#258EAB
RGB	rgb(37, 142, 171)
HSL	hsl(193, 64%, 41%)
HSV	hsv(193, 78%, 67%)
CMYK	cmyk(78.4%, 17%, 0%, 32.9%)
CIE-LAB	lab(54.74, -18.93, -23.58)
CIE-LCH	lch(54.74, 30.24, 231.24°)
OKLab	oklab(60.21% -0.0755 -0.066)
OKLCH	oklch(60.21% 0.1 221.2)
XYZ	xyz(17.7835, 22.6774, 41.9601)
Luminance	0.2268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258EAB #AB4225

analogous

#25AB85 #258EAB #254BAB

triadic

#258EAB #AB258E #8EAB25

tetradic

#258EAB #8525AB #AB4225 #4BAB25

square

#258EAB #8525AB #AB4225 #4BAB25

split-complementary

#258EAB #AB254B #AB8525

monochromatic

#0F3A46 #1A6479 #258EAB #39B3D4 #6BC6DF

Accessibility & contrast

On white

3.79

#258EAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#258EAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258EAB

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258EAB	#FFFFFF	#000000	##000000
##258EAB	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AAD

Deuteranopia (green-blind)

#6B7DAB

Tritanopia (blue-blind)

#009797

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #258eab;
/* rgb */ color: rgb(37, 142, 171);
/* oklch */ color: oklch(60.2% 0.100 221.2);

Tailwind

colors: {
  custom: {
    50: '#76afc4',
    500: '#258eab',
    950: '#000000',
  },
}

SCSS

$custom: #258eab;
$custom-light: #76afc4;
$custom-dark: #000000;

JSON

{
  "hex": "#258eab",
  "rgb": {
    "r": 37,
    "g": 142,
    "b": 171
  },
  "hsl": {
    "h": 192.985,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.60209,
    "c": 0.10031,
    "h": 221.2
  },
  "luminance": 0.2268
}

Semantic roles & 50–950 ramp

primary

#258EAB

secondary

#C57B67

accent

#6540E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258EAB

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

Preview Lab → · Contrast checker → · Palette generator →