#257C83#257C83

#257C83 is a mid, moderate teal. Relative luminance 0.164; OKLCH L 53.9% C 0.080 H 202.9°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#257C83
RGB	rgb(37, 124, 131)
HSL	hsl(184, 56%, 33%)
HSV	hsv(184, 72%, 51%)
CMYK	cmyk(71.8%, 5.3%, 0%, 48.6%)
CIE-LAB	lab(47.55, -22.65, -11.25)
CIE-LCH	lch(47.55, 25.29, 206.41°)
OKLab	oklab(53.92% -0.0739 -0.0312)
OKLCH	oklch(53.92% 0.08 202.9)
XYZ	xyz(12.0655, 16.4459, 24.0068)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257C83 #832C25

analogous

#25835B #257C83 #254D83

triadic

#257C83 #83257C #7C8325

tetradic

#257C83 #5B2583 #832C25 #4D8325

square

#257C83 #5B2583 #832C25 #4D8325

split-complementary

#257C83 #83254D #835B25

monochromatic

#0A2224 #184F53 #257C83 #32A9B3 #54C5CF

Accessibility & contrast

On white

4.90

#257C83 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#257C83 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257C83

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257C83	#FFFFFF	#000000	##FFFFFF
##257C83	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727784

Deuteranopia (green-blind)

#646D83

Tritanopia (blue-blind)

#00817E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #257c83;
/* rgb */ color: rgb(37, 124, 131);
/* oklch */ color: oklch(53.9% 0.080 202.9);

Tailwind

colors: {
  custom: {
    50: '#6ea2a7',
    500: '#257c83',
    950: '#000000',
  },
}

SCSS

$custom: #257c83;
$custom-light: #6ea2a7;
$custom-dark: #000000;

JSON

{
  "hex": "#257c83",
  "rgb": {
    "r": 37,
    "g": 124,
    "b": 131
  },
  "hsl": {
    "h": 184.468,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.53923,
    "c": 0.08027,
    "h": 202.9
  },
  "luminance": 0.16447
}

Semantic roles & 50–950 ramp

primary

#257C83

secondary

#B35851

accent

#5449DF

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #257C83

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

Preview Lab → · Contrast checker → · Palette generator →