#257AA2#257AA2

#257AA2 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.8% C 0.100 H 233.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#257AA2
RGB	rgb(37, 122, 162)
HSL	hsl(199, 63%, 39%)
HSV	hsv(199, 77%, 64%)
CMYK	cmyk(77.2%, 24.7%, 0%, 36.5%)
CIE-LAB	lab(48.16, -10.98, -28.56)
CIE-LCH	lch(48.16, 30.59, 248.98°)
OKLab	oklab(54.82% -0.0592 -0.0804)
OKLCH	oklch(54.82% 0.1 233.7)
XYZ	xyz(14.2415, 16.9193, 36.6906)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257AA2 #A24D25

analogous

#25A28C #257AA2 #253CA2

triadic

#257AA2 #A2257A #7AA225

tetradic

#257AA2 #8C25A2 #A24D25 #3CA225

square

#257AA2 #8C25A2 #A24D25 #3CA225

split-complementary

#257AA2 #A2253C #A28C25

monochromatic

#0E2F3E #1A5470 #257AA2 #349ED1 #65B6DC

Accessibility & contrast

On white

4.79

#257AA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#257AA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257AA2

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257AA2	#FFFFFF	#000000	##FFFFFF
##257AA2	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6679A4

Deuteranopia (green-blind)

#556DA1

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257aa2;
/* rgb */ color: rgb(37, 122, 162);
/* oklch */ color: oklch(54.8% 0.100 233.7);

Tailwind

colors: {
  custom: {
    50: '#73a0bd',
    500: '#257aa2',
    950: '#000000',
  },
}

SCSS

$custom: #257aa2;
$custom-light: #73a0bd;
$custom-dark: #000000;

JSON

{
  "hex": "#257aa2",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 162
  },
  "hsl": {
    "h": 199.2,
    "s": 62.814,
    "l": 39.02
  },
  "oklch": {
    "l": 0.54817,
    "c": 0.09988,
    "h": 233.7
  },
  "luminance": 0.16921
}

Semantic roles & 50–950 ramp

primary

#257AA2

secondary

#C28061

accent

#7642E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #257AA2

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

Preview Lab → · Contrast checker → · Palette generator →