#257A87#257A87

#257A87 is a mid, moderate teal. Relative luminance 0.161; OKLCH L 53.6% C 0.081 H 209.7°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#257A87
RGB	rgb(37, 122, 135)
HSL	hsl(188, 57%, 34%)
HSV	hsv(188, 73%, 53%)
CMYK	cmyk(72.6%, 9.6%, 0%, 47.1%)
CIE-LAB	lab(47.05, -20.30, -14.37)
CIE-LCH	lch(47.05, 24.87, 215.30°)
OKLab	oklab(53.57% -0.07 -0.04)
OKLCH	oklch(53.57% 0.081 209.7)
XYZ	xyz(12.0938, 16.0603, 25.3795)
Luminance	0.1606 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257A87 #873225

analogous

#258763 #257A87 #254987

triadic

#257A87 #87257A #7A8725

tetradic

#257A87 #632587 #873225 #498725

square

#257A87 #632587 #873225 #498725

split-complementary

#257A87 #872549 #876325

monochromatic

#0B2327 #184F57 #257A87 #32A5B7 #56C0D1

Accessibility & contrast

On white

4.99

#257A87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#257A87 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257A87

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257A87	#FFFFFF	#000000	##FFFFFF
##257A87	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7588

Deuteranopia (green-blind)

#616B87

Tritanopia (blue-blind)

#00807E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #257a87;
/* rgb */ color: rgb(37, 122, 135);
/* oklch */ color: oklch(53.6% 0.081 209.7);

Tailwind

colors: {
  custom: {
    50: '#6fa0aa',
    500: '#257a87',
    950: '#000000',
  },
}

SCSS

$custom: #257a87;
$custom-light: #6fa0aa;
$custom-dark: #000000;

JSON

{
  "hex": "#257a87",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 135
  },
  "hsl": {
    "h": 187.959,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.53566,
    "c": 0.0806,
    "h": 209.7
  },
  "luminance": 0.16062
}

Semantic roles & 50–950 ramp

primary

#257A87

secondary

#B56053

accent

#5C48E0

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #257A87

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

Preview Lab → · Contrast checker → · Palette generator →