#259CBD#259CBD

#259CBD is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.5% C 0.110 H 221.7°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#259CBD
RGB	rgb(37, 156, 189)
HSL	hsl(193, 67%, 44%)
HSV	hsv(193, 80%, 74%)
CMYK	cmyk(80.4%, 17.5%, 0%, 25.9%)
CIE-LAB	lab(59.75, -20.27, -26.09)
CIE-LCH	lch(59.75, 33.04, 232.15°)
OKLab	oklab(64.47% -0.082 -0.0731)
OKLCH	oklch(64.47% 0.11 221.7)
XYZ	xyz(21.8329, 27.8416, 52.3575)
Luminance	0.2784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#259CBD #BD4625

analogous

#25BD92 #259CBD #2550BD

triadic

#259CBD #BD259C #9CBD25

tetradic

#259CBD #9225BD #BD4625 #50BD25

square

#259CBD #9225BD #BD4625 #50BD25

split-complementary

#259CBD #BD2550 #BD9225

monochromatic

#114857 #1B728A #259CBD #45BADB #78CDE5

Accessibility & contrast

On white

3.20

#259CBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#259CBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #259CBD

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##259CBD	#FFFFFF	#000000	##000000
##259CBD	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8998BF

Deuteranopia (green-blind)

#758ABD

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #259cbd;
/* rgb */ color: rgb(37, 156, 189);
/* oklch */ color: oklch(64.5% 0.110 221.7);

Tailwind

colors: {
  custom: {
    50: '#7ab9d1',
    500: '#259cbd',
    950: '#000000',
  },
}

SCSS

$custom: #259cbd;
$custom-light: #7ab9d1;
$custom-dark: #000000;

JSON

{
  "hex": "#259cbd",
  "rgb": {
    "r": 37,
    "g": 156,
    "b": 189
  },
  "hsl": {
    "h": 193.026,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.64466,
    "c": 0.10987,
    "h": 221.7
  },
  "luminance": 0.27844
}

Semantic roles & 50–950 ramp

primary

#259CBD

secondary

#CC8572

accent

#633EEA

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #259CBD

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

Preview Lab → · Contrast checker → · Palette generator →