#257A91#257A91

#257A91 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.0% C 0.086 H 219.9°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#257A91
RGB	rgb(37, 122, 145)
HSL	hsl(193, 59%, 36%)
HSV	hsv(193, 74%, 57%)
CMYK	cmyk(74.5%, 15.9%, 0%, 43.1%)
CIE-LAB	lab(47.44, -16.94, -19.69)
CIE-LCH	lch(47.44, 25.98, 229.30°)
OKLab	oklab(54% -0.0657 -0.055)
OKLCH	oklch(54% 0.086 219.9)
XYZ	xyz(12.8312, 16.3552, 29.2632)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257A91 #913C25

analogous

#259172 #257A91 #254491

triadic

#257A91 #91257A #7A9125

tetradic

#257A91 #722591 #913C25 #449125

square

#257A91 #722591 #913C25 #449125

split-complementary

#257A91 #912544 #917225

monochromatic

#0C282F #195160 #257A91 #31A3C2 #5BBBD5

Accessibility & contrast

On white

4.92

#257A91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#257A91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257A91

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257A91	#FFFFFF	#000000	##FFFFFF
##257A91	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7792

Deuteranopia (green-blind)

#5D6C91

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #257a91;
/* rgb */ color: rgb(37, 122, 145);
/* oklch */ color: oklch(54.0% 0.086 219.9);

Tailwind

colors: {
  custom: {
    50: '#70a0b1',
    500: '#257a91',
    950: '#000000',
  },
}

SCSS

$custom: #257a91;
$custom-light: #70a0b1;
$custom-dark: #000000;

JSON

{
  "hex": "#257a91",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 145
  },
  "hsl": {
    "h": 192.778,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.54002,
    "c": 0.08573,
    "h": 219.9
  },
  "luminance": 0.16357
}

Semantic roles & 50–950 ramp

primary

#257A91

secondary

#BA6D58

accent

#6745E3

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #257A91

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

Preview Lab → · Contrast checker → · Palette generator →