#257A4D#257A4D

#257A4D is a mid, moderate green. Relative luminance 0.148; OKLCH L 51.7% C 0.108 H 156.0°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#257A4D
RGB	rgb(37, 122, 77)
HSL	hsl(148, 53%, 31%)
HSV	hsv(148, 70%, 48%)
CMYK	cmyk(69.7%, 0%, 36.9%, 52.2%)
CIE-LAB	lab(45.42, -36.35, 17.49)
CIE-LCH	lch(45.42, 40.33, 154.31°)
OKLab	oklab(51.7% -0.0985 0.0439)
OKLCH	oklch(51.7% 0.108 156)
XYZ	xyz(9.0612, 14.8472, 9.4080)
Luminance	0.1485 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257A4D #7A2552

analogous

#277A25 #257A4D #257A77

triadic

#257A4D #4D257A #7A4D25

tetradic

#257A4D #25277A #7A2552 #7A7725

square

#257A4D #25277A #7A2552 #7A7725

split-complementary

#257A4D #77257A #7A2527

monochromatic

#091C12 #174B2F #257A4D #33A96B #50CA89

Accessibility & contrast

On white

5.29

#257A4D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#257A4D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257A4D

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257A4D	#FFFFFF	#000000	##FFFFFF
##257A4D	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)

#79704A

Deuteranopia (green-blind)

#6E6850

Tritanopia (blue-blind)

#00796E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #257a4d;
/* rgb */ color: rgb(37, 122, 77);
/* oklch */ color: oklch(51.7% 0.108 156.0);

Tailwind

colors: {
  custom: {
    50: '#6ba17f',
    500: '#257a4d',
    950: '#000000',
  },
}

SCSS

$custom: #257a4d;
$custom-light: #6ba17f;
$custom-dark: #000000;

JSON

{
  "hex": "#257a4d",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 77
  },
  "hsl": {
    "h": 148.235,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.517,
    "c": 0.10783,
    "h": 156
  },
  "luminance": 0.14848
}

Semantic roles & 50–950 ramp

primary

#257A4D

secondary

#AC4E80

accent

#4B98DD

background

#F6FAF7

surface

#ECF3EE

border

#C7CDC9

text

#070F0A

muted

#7A7F7C

Preview Lab

Preview with #257A4D

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

Preview Lab → · Contrast checker → · Palette generator →