#257BA2#257BA2

#257BA2 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.1% C 0.099 H 232.7°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#257BA2
RGB	rgb(37, 123, 162)
HSL	hsl(199, 63%, 39%)
HSV	hsv(199, 77%, 64%)
CMYK	cmyk(77.2%, 24.1%, 0%, 36.5%)
CIE-LAB	lab(48.47, -11.55, -28.07)
CIE-LCH	lch(48.47, 30.36, 247.64°)
OKLab	oklab(55.07% -0.0602 -0.079)
OKLCH	oklch(55.07% 0.099 232.7)
XYZ	xyz(14.3649, 17.1662, 36.7317)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257BA2 #A24C25

analogous

#25A28B #257BA2 #253DA2

triadic

#257BA2 #A2257B #7BA225

tetradic

#257BA2 #8B25A2 #A24C25 #3DA225

square

#257BA2 #8B25A2 #A24C25 #3DA225

split-complementary

#257BA2 #A2253D #A28B25

monochromatic

#0E2F3E #1A5570 #257BA2 #34A0D1 #65B7DC

Accessibility & contrast

On white

4.74

#257BA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#257BA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257BA2

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257BA2	#FFFFFF	#000000	##FFFFFF
##257BA2	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687AA4

Deuteranopia (green-blind)

#576EA1

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #257ba2;
/* rgb */ color: rgb(37, 123, 162);
/* oklch */ color: oklch(55.1% 0.099 232.7);

Tailwind

colors: {
  custom: {
    50: '#73a1bd',
    500: '#257ba2',
    950: '#000000',
  },
}

SCSS

$custom: #257ba2;
$custom-light: #73a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#257ba2",
  "rgb": {
    "r": 37,
    "g": 123,
    "b": 162
  },
  "hsl": {
    "h": 198.72,
    "s": 62.814,
    "l": 39.02
  },
  "oklch": {
    "l": 0.55065,
    "c": 0.09935,
    "h": 232.7
  },
  "luminance": 0.17168
}

Semantic roles & 50–950 ramp

primary

#257BA2

secondary

#C27F61

accent

#7542E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #257BA2

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

Preview Lab → · Contrast checker → · Palette generator →