#257D88#257D88

#257D88 is a mid, moderate teal. Relative luminance 0.168; OKLCH L 54.4% C 0.082 H 207.2°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#257D88
RGB	rgb(37, 125, 136)
HSL	hsl(187, 57%, 34%)
HSV	hsv(187, 73%, 53%)
CMYK	cmyk(72.8%, 8.1%, 0%, 46.7%)
CIE-LAB	lab(48.05, -21.56, -13.45)
CIE-LCH	lch(48.05, 25.41, 211.95°)
OKLab	oklab(54.38% -0.0728 -0.0374)
OKLCH	oklch(54.38% 0.082 207.2)
XYZ	xyz(12.5386, 16.8367, 25.8768)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D88 #883025

analogous

#258862 #257D88 #254C88

triadic

#257D88 #88257D #7D8825

tetradic

#257D88 #622588 #883025 #4C8825

square

#257D88 #622588 #883025 #4C8825

split-complementary

#257D88 #88254C #886225

monochromatic

#0B2528 #185158 #257D88 #32A9B8 #56C3D1

Accessibility & contrast

On white

4.81

#257D88 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#257D88 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D88

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D88	#FFFFFF	#000000	##FFFFFF
##257D88	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727889

Deuteranopia (green-blind)

#646E88

Tritanopia (blue-blind)

#008380

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257d88;
/* rgb */ color: rgb(37, 125, 136);
/* oklch */ color: oklch(54.4% 0.082 207.2);

Tailwind

colors: {
  custom: {
    50: '#6fa3aa',
    500: '#257d88',
    950: '#000000',
  },
}

SCSS

$custom: #257d88;
$custom-light: #6fa3aa;
$custom-dark: #000000;

JSON

{
  "hex": "#257d88",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 136
  },
  "hsl": {
    "h": 186.667,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.54385,
    "c": 0.08181,
    "h": 207.2
  },
  "luminance": 0.16838
}

Semantic roles & 50–950 ramp

primary

#257D88

secondary

#B65E53

accent

#5847E0

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #257D88

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

Preview Lab → · Contrast checker → · Palette generator →