#257AA3#257AA3

#257AA3 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.9% C 0.101 H 234.3°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#257AA3
RGB	rgb(37, 122, 163)
HSL	hsl(200, 63%, 39%)
HSV	hsv(200, 77%, 64%)
CMYK	cmyk(77.3%, 25.2%, 0%, 36.1%)
CIE-LAB	lab(48.20, -10.62, -29.07)
CIE-LCH	lch(48.20, 30.95, 249.94°)
OKLab	oklab(54.87% -0.0588 -0.0819)
OKLCH	oklch(54.87% 0.101 234.3)
XYZ	xyz(14.3307, 16.9550, 37.1606)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257AA3 #A34E25

analogous

#25A38D #257AA3 #253BA3

triadic

#257AA3 #A3257A #7AA325

tetradic

#257AA3 #8D25A3 #A34E25 #3BA325

square

#257AA3 #8D25A3 #A34E25 #3BA325

split-complementary

#257AA3 #A3253B #A38D25

monochromatic

#0E2F3F #1A5571 #257AA3 #349ED1 #66B6DC

Accessibility & contrast

On white

4.78

#257AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#257AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257AA3

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257AA3	#FFFFFF	#000000	##FFFFFF
##257AA3	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6679A5

Deuteranopia (green-blind)

#556DA2

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257aa3;
/* rgb */ color: rgb(37, 122, 163);
/* oklch */ color: oklch(54.9% 0.101 234.3);

Tailwind

colors: {
  custom: {
    50: '#73a0be',
    500: '#257aa3',
    950: '#000000',
  },
}

SCSS

$custom: #257aa3;
$custom-light: #73a0be;
$custom-dark: #000000;

JSON

{
  "hex": "#257aa3",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 163
  },
  "hsl": {
    "h": 199.524,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.54868,
    "c": 0.10087,
    "h": 234.3
  },
  "luminance": 0.16957
}

Semantic roles & 50–950 ramp

primary

#257AA3

secondary

#C28162

accent

#7742E6

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #257AA3

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

Preview Lab → · Contrast checker → · Palette generator →