#257A4C#257A4C

#257A4C is a mid, moderate green. Relative luminance 0.148; OKLCH L 51.7% C 0.109 H 155.4°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#257A4C
RGB	rgb(37, 122, 76)
HSL	hsl(148, 53%, 31%)
HSV	hsv(148, 70%, 48%)
CMYK	cmyk(69.7%, 0%, 37.7%, 52.2%)
CIE-LAB	lab(45.40, -36.56, 18.03)
CIE-LCH	lch(45.40, 40.76, 153.74°)
OKLab	oklab(51.68% -0.099 0.0452)
OKLCH	oklch(51.68% 0.109 155.4)
XYZ	xyz(9.0262, 14.8332, 9.2235)
Luminance	0.1483 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257A4C #7A2553

analogous

#297A25 #257A4C #257A76

triadic

#257A4C #4C257A #7A4C25

tetradic

#257A4C #25297A #7A2553 #7A7625

square

#257A4C #25297A #7A2553 #7A7625

split-complementary

#257A4C #76257A #7A2529

monochromatic

#091C11 #174B2F #257A4C #33A969 #50CA88

Accessibility & contrast

On white

5.29

#257A4C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#257A4C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257A4C

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257A4C	#FFFFFF	#000000	##FFFFFF
##257A4C	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#797049

Deuteranopia (green-blind)

#6F684F

Tritanopia (blue-blind)

#00796E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #257a4c;
/* rgb */ color: rgb(37, 122, 76);
/* oklch */ color: oklch(51.7% 0.109 155.4);

Tailwind

colors: {
  custom: {
    50: '#6ba17e',
    500: '#257a4c',
    950: '#000000',
  },
}

SCSS

$custom: #257a4c;
$custom-light: #6ba17e;
$custom-dark: #000000;

JSON

{
  "hex": "#257a4c",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 76
  },
  "hsl": {
    "h": 147.529,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.51678,
    "c": 0.10882,
    "h": 155.4
  },
  "luminance": 0.14834
}

Semantic roles & 50–950 ramp

primary

#257A4C

secondary

#AC4E81

accent

#4B9ADD

background

#F6FAF7

surface

#ECF3EE

border

#C7CDC9

text

#070F0A

muted

#7A7F7C

Preview Lab

Preview with #257A4C

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

Preview Lab → · Contrast checker → · Palette generator →