#259CB9#259CB9

#259CB9 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.3% C 0.107 H 218.9°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#259CB9
RGB	rgb(37, 156, 185)
HSL	hsl(192, 67%, 44%)
HSV	hsv(192, 80%, 73%)
CMYK	cmyk(80%, 15.7%, 0%, 27.5%)
CIE-LAB	lab(59.59, -21.62, -24.08)
CIE-LCH	lch(59.59, 32.36, 228.08°)
OKLab	oklab(64.29% -0.0836 -0.0674)
OKLCH	oklch(64.29% 0.107 218.9)
XYZ	xyz(21.4047, 27.6704, 50.1023)
Luminance	0.2767 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#259CB9 #B94225

analogous

#25B98C #259CB9 #2552B9

triadic

#259CB9 #B9259C #9CB925

tetradic

#259CB9 #8C25B9 #B94225 #52B925

square

#259CB9 #8C25B9 #B94225 #52B925

split-complementary

#259CB9 #B92552 #B98C25

monochromatic

#114653 #1B7186 #259CB9 #42BCD9 #75CEE3

Accessibility & contrast

On white

3.21

#259CB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#259CB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #259CB9

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##259CB9	#FFFFFF	#000000	##000000
##259CB9	1.00	3.21	6.53	6.53
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A97BB

Deuteranopia (green-blind)

#7689B9

Tritanopia (blue-blind)

#00A6A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #259cb9;
/* rgb */ color: rgb(37, 156, 185);
/* oklch */ color: oklch(64.3% 0.107 218.9);

Tailwind

colors: {
  custom: {
    50: '#79b9ce',
    500: '#259cb9',
    950: '#000000',
  },
}

SCSS

$custom: #259cb9;
$custom-light: #79b9ce;
$custom-dark: #000000;

JSON

{
  "hex": "#259cb9",
  "rgb": {
    "r": 37,
    "g": 156,
    "b": 185
  },
  "hsl": {
    "h": 191.757,
    "s": 66.667,
    "l": 43.529
  },
  "oklch": {
    "l": 0.64289,
    "c": 0.10735,
    "h": 218.9
  },
  "luminance": 0.27673
}

Semantic roles & 50–950 ramp

primary

#259CB9

secondary

#CB816F

accent

#603EEA

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #259CB9

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

Preview Lab → · Contrast checker → · Palette generator →