#308B5B#308B5B

#308B5B is a mid, moderate green. Relative luminance 0.198; OKLCH L 57.0% C 0.114 H 156.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#308B5B
RGB	rgb(48, 139, 91)
HSL	hsl(148, 49%, 37%)
HSV	hsv(148, 65%, 55%)
CMYK	cmyk(65.5%, 0%, 34.5%, 45.5%)
CIE-LAB	lab(51.66, -38.49, 17.99)
CIE-LCH	lch(51.66, 42.48, 154.95°)
OKLab	oklab(57% -0.1045 0.0454)
OKLCH	oklch(57% 0.114 156.5)
XYZ	xyz(12.3388, 19.8477, 13.0762)
Luminance	0.1985 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308B5B #8B3060

analogous

#338B30 #308B5B #308B89

triadic

#308B5B #5B308B #8B5B30

tetradic

#308B5B #30338B #8B3060 #8B8930

square

#308B5B #30338B #8B3060 #8B8930

split-complementary

#308B5B #89308B #8B3033

monochromatic

#11301F #205E3D #308B5B #40B879 #6ACC98

Accessibility & contrast

On white

4.23

#308B5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#308B5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308B5B

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308B5B	#FFFFFF	#000000	##000000
##308B5B	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8058

Deuteranopia (green-blind)

#7E785E

Tritanopia (blue-blind)

#008A7F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #308b5b;
/* rgb */ color: rgb(48, 139, 91);
/* oklch */ color: oklch(57.0% 0.114 156.5);

Tailwind

colors: {
  custom: {
    50: '#73ae89',
    500: '#308b5b',
    950: '#000000',
  },
}

SCSS

$custom: #308b5b;
$custom-light: #73ae89;
$custom-dark: #000000;

JSON

{
  "hex": "#308b5b",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 91
  },
  "hsl": {
    "h": 148.352,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.57,
    "c": 0.11393,
    "h": 156.5
  },
  "luminance": 0.19849
}

Semantic roles & 50–950 ramp

primary

#308B5B

secondary

#B3648E

accent

#5098D8

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#09100B

muted

#7B7F7C

Preview Lab

Preview with #308B5B

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

Preview Lab → · Contrast checker → · Palette generator →