#257A8A#257A8A

#257A8A is a mid, moderate teal. Relative luminance 0.161; OKLCH L 53.7% C 0.082 H 212.9°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#257A8A
RGB	rgb(37, 122, 138)
HSL	hsl(190, 58%, 34%)
HSV	hsv(190, 73%, 54%)
CMYK	cmyk(73.2%, 11.6%, 0%, 45.9%)
CIE-LAB	lab(47.17, -19.30, -15.98)
CIE-LCH	lch(47.17, 25.06, 219.61°)
OKLab	oklab(53.69% -0.0687 -0.0445)
OKLCH	oklch(53.69% 0.082 212.9)
XYZ	xyz(12.3080, 16.1459, 26.5076)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257A8A #8A3525

analogous

#258A68 #257A8A #25488A

triadic

#257A8A #8A257A #7A8A25

tetradic

#257A8A #68258A #8A3525 #488A25

square

#257A8A #68258A #8A3525 #488A25

split-complementary

#257A8A #8A2548 #8A6825

monochromatic

#0B2529 #184F5A #257A8A #32A5BA #57BFD2

Accessibility & contrast

On white

4.97

#257A8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#257A8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257A8A

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257A8A	#FFFFFF	#000000	##FFFFFF
##257A8A	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E768B

Deuteranopia (green-blind)

#606B8A

Tritanopia (blue-blind)

#00807F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #257a8a;
/* rgb */ color: rgb(37, 122, 138);
/* oklch */ color: oklch(53.7% 0.082 212.9);

Tailwind

colors: {
  custom: {
    50: '#6fa0ac',
    500: '#257a8a',
    950: '#000000',
  },
}

SCSS

$custom: #257a8a;
$custom-light: #6fa0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#257a8a",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 138
  },
  "hsl": {
    "h": 189.505,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.53693,
    "c": 0.08184,
    "h": 212.9
  },
  "luminance": 0.16147
}

Semantic roles & 50–950 ramp

primary

#257A8A

secondary

#B76454

accent

#5F47E1

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #257A8A

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

Preview Lab → · Contrast checker → · Palette generator →