#258BA6#258BA6

#258BA6 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.2% C 0.097 H 220.1°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#258BA6
RGB	rgb(37, 139, 166)
HSL	hsl(193, 64%, 40%)
HSV	hsv(193, 78%, 65%)
CMYK	cmyk(77.7%, 16.3%, 0%, 34.9%)
CIE-LAB	lab(53.61, -19.02, -22.44)
CIE-LCH	lch(53.61, 29.42, 229.72°)
OKLab	oklab(59.24% -0.0745 -0.0628)
OKLCH	oklch(59.24% 0.097 220.1)
XYZ	xyz(16.8756, 21.6097, 39.3507)
Luminance	0.2161 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258BA6 #A64025

analogous

#25A681 #258BA6 #254BA6

triadic

#258BA6 #A6258B #8BA625

tetradic

#258BA6 #8125A6 #A64025 #4BA625

square

#258BA6 #8125A6 #A64025 #4BA625

split-complementary

#258BA6 #A6254B #A68125

monochromatic

#0F3742 #1A6174 #258BA6 #36B2D2 #68C5DD

Accessibility & contrast

On white

3.95

#258BA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#258BA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258BA6

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258BA6	#FFFFFF	#000000	##000000
##258BA6	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B87A7

Deuteranopia (green-blind)

#697BA6

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258ba6;
/* rgb */ color: rgb(37, 139, 166);
/* oklch */ color: oklch(59.2% 0.097 220.1);

Tailwind

colors: {
  custom: {
    50: '#75adc0',
    500: '#258ba6',
    950: '#000000',
  },
}

SCSS

$custom: #258ba6;
$custom-light: #75adc0;
$custom-dark: #000000;

JSON

{
  "hex": "#258ba6",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 166
  },
  "hsl": {
    "h": 192.558,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.59237,
    "c": 0.09746,
    "h": 220.1
  },
  "luminance": 0.21612
}

Semantic roles & 50–950 ramp

primary

#258BA6

secondary

#C37864

accent

#6441E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258BA6

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

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