#25819B#25819B

#25819B is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.2% C 0.092 H 221.2°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#25819B
RGB	rgb(37, 129, 155)
HSL	hsl(193, 61%, 38%)
HSV	hsv(193, 76%, 61%)
CMYK	cmyk(76.1%, 16.8%, 0%, 39.2%)
CIE-LAB	lab(50.05, -17.36, -21.55)
CIE-LCH	lch(50.05, 27.67, 231.15°)
OKLab	oklab(56.23% -0.0689 -0.0603)
OKLCH	oklch(56.23% 0.092 221.2)
XYZ	xyz(14.5271, 18.4587, 33.8012)
Luminance	0.1846 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25819B #9B3F25

analogous

#259B7A #25819B #25469B

triadic

#25819B #9B2581 #819B25

tetradic

#25819B #7A259B #9B3F25 #469B25

square

#25819B #7A259B #9B3F25 #469B25

split-complementary

#25819B #9B2546 #9B7A25

monochromatic

#0D2F38 #19586A #25819B #31AACC #61BFD9

Accessibility & contrast

On white

4.48

#25819B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#25819B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #25819B

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25819B	#FFFFFF	#000000	##000000
##25819B	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727E9C

Deuteranopia (green-blind)

#62729B

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #25819b;
/* rgb */ color: rgb(37, 129, 155);
/* oklch */ color: oklch(56.2% 0.092 221.2);

Tailwind

colors: {
  custom: {
    50: '#72a5b8',
    500: '#25819b',
    950: '#000000',
  },
}

SCSS

$custom: #25819b;
$custom-light: #72a5b8;
$custom-dark: #000000;

JSON

{
  "hex": "#25819b",
  "rgb": {
    "r": 37,
    "g": 129,
    "b": 155
  },
  "hsl": {
    "h": 193.22,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.56231,
    "c": 0.09155,
    "h": 221.2
  },
  "luminance": 0.1846
}

Semantic roles & 50–950 ramp

primary

#25819B

secondary

#BF735D

accent

#6743E5

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #25819B

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

Preview Lab → · Contrast checker → · Palette generator →