#257A8D#257A8D

#257A8D is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 53.8% C 0.083 H 216.0°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#257A8D
RGB	rgb(37, 122, 141)
HSL	hsl(191, 58%, 35%)
HSV	hsv(191, 74%, 55%)
CMYK	cmyk(73.8%, 13.5%, 0%, 44.7%)
CIE-LAB	lab(47.28, -18.30, -17.57)
CIE-LCH	lch(47.28, 25.37, 223.84°)
OKLab	oklab(53.82% -0.0674 -0.049)
OKLCH	oklch(53.82% 0.083 216)
XYZ	xyz(12.5282, 16.2340, 27.6673)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257A8D #8D3825

analogous

#258D6C #257A8D #25468D

triadic

#257A8D #8D257A #7A8D25

tetradic

#257A8D #6C258D #8D3825 #468D25

square

#257A8D #6C258D #8D3825 #468D25

split-complementary

#257A8D #8D2546 #8D6C25

monochromatic

#0C262C #18505D #257A8D #32A4BD #59BDD3

Accessibility & contrast

On white

4.94

#257A8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#257A8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257A8D

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257A8D	#FFFFFF	#000000	##FFFFFF
##257A8D	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D768E

Deuteranopia (green-blind)

#5F6C8D

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #257a8d;
/* rgb */ color: rgb(37, 122, 141);
/* oklch */ color: oklch(53.8% 0.083 216.0);

Tailwind

colors: {
  custom: {
    50: '#6fa0ae',
    500: '#257a8d',
    950: '#000000',
  },
}

SCSS

$custom: #257a8d;
$custom-light: #6fa0ae;
$custom-dark: #000000;

JSON

{
  "hex": "#257a8d",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 141
  },
  "hsl": {
    "h": 190.962,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.53824,
    "c": 0.08335,
    "h": 216
  },
  "luminance": 0.16235
}

Semantic roles & 50–950 ramp

primary

#257A8D

secondary

#B86856

accent

#6346E2

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #257A8D

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

Preview Lab → · Contrast checker → · Palette generator →