#258DAB#258DAB

#258DAB is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.0% C 0.100 H 222.1°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#258DAB
RGB	rgb(37, 141, 171)
HSL	hsl(193, 64%, 41%)
HSV	hsv(193, 78%, 67%)
CMYK	cmyk(78.4%, 17.5%, 0%, 32.9%)
CIE-LAB	lab(54.43, -18.39, -24.06)
CIE-LCH	lch(54.43, 30.28, 232.60°)
OKLab	oklab(59.96% -0.0745 -0.0674)
OKLCH	oklch(59.96% 0.1 222.1)
XYZ	xyz(17.6354, 22.3812, 41.9107)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258DAB #AB4325

analogous

#25AB86 #258DAB #254AAB

triadic

#258DAB #AB258D #8DAB25

tetradic

#258DAB #8625AB #AB4325 #4AAB25

square

#258DAB #8625AB #AB4325 #4AAB25

split-complementary

#258DAB #AB254A #AB8625

monochromatic

#0F3A46 #1A6479 #258DAB #39B1D4 #6BC5DF

Accessibility & contrast

On white

3.83

#258DAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#258DAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258DAB

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258DAB	#FFFFFF	#000000	##000000
##258DAB	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B89AD

Deuteranopia (green-blind)

#6A7DAB

Tritanopia (blue-blind)

#009697

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258dab;
/* rgb */ color: rgb(37, 141, 171);
/* oklch */ color: oklch(60.0% 0.100 222.1);

Tailwind

colors: {
  custom: {
    50: '#76aec4',
    500: '#258dab',
    950: '#000000',
  },
}

SCSS

$custom: #258dab;
$custom-light: #76aec4;
$custom-dark: #000000;

JSON

{
  "hex": "#258dab",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 171
  },
  "hsl": {
    "h": 193.433,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.5996,
    "c": 0.10048,
    "h": 222.1
  },
  "luminance": 0.22383
}

Semantic roles & 50–950 ramp

primary

#258DAB

secondary

#C57C67

accent

#6640E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258DAB

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

Preview Lab → · Contrast checker → · Palette generator →