#257A88#257A88

#257A88 is a mid, moderate teal. Relative luminance 0.161; OKLCH L 53.6% C 0.081 H 210.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#257A88
RGB	rgb(37, 122, 136)
HSL	hsl(188, 57%, 34%)
HSV	hsv(188, 73%, 53%)
CMYK	cmyk(72.8%, 10.3%, 0%, 46.7%)
CIE-LAB	lab(47.09, -19.97, -14.91)
CIE-LCH	lch(47.09, 24.92, 216.74°)
OKLab	oklab(53.61% -0.0696 -0.0415)
OKLCH	oklch(53.61% 0.081 210.8)
XYZ	xyz(12.1645, 16.0885, 25.7521)
Luminance	0.1609 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257A88 #883325

analogous

#258865 #257A88 #254988

triadic

#257A88 #88257A #7A8825

tetradic

#257A88 #652588 #883325 #498825

square

#257A88 #652588 #883325 #498825

split-complementary

#257A88 #882549 #886525

monochromatic

#0B2428 #184F58 #257A88 #32A5B8 #56C0D1

Accessibility & contrast

On white

4.98

#257A88 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#257A88 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257A88

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257A88	#FFFFFF	#000000	##FFFFFF
##257A88	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7689

Deuteranopia (green-blind)

#606B88

Tritanopia (blue-blind)

#00807E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #257a88;
/* rgb */ color: rgb(37, 122, 136);
/* oklch */ color: oklch(53.6% 0.081 210.8);

Tailwind

colors: {
  custom: {
    50: '#6fa0aa',
    500: '#257a88',
    950: '#000000',
  },
}

SCSS

$custom: #257a88;
$custom-light: #6fa0aa;
$custom-dark: #000000;

JSON

{
  "hex": "#257a88",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 136
  },
  "hsl": {
    "h": 188.485,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.53608,
    "c": 0.08099,
    "h": 210.8
  },
  "luminance": 0.1609
}

Semantic roles & 50–950 ramp

primary

#257A88

secondary

#B66153

accent

#5D47E0

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #257A88

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

Preview Lab → · Contrast checker → · Palette generator →