#308DA3#308DA3

#308DA3 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 59.9% C 0.091 H 216.8°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#308DA3
RGB	rgb(48, 141, 163)
HSL	hsl(191, 55%, 41%)
HSV	hsv(191, 71%, 64%)
CMYK	cmyk(70.6%, 13.5%, 0%, 36.1%)
CIE-LAB	lab(54.37, -19.66, -19.54)
CIE-LCH	lch(54.37, 27.71, 224.83°)
OKLab	oklab(59.88% -0.0728 -0.0544)
OKLCH	oklch(59.88% 0.091 216.8)
XYZ	xyz(17.3519, 22.3205, 38.0370)
Luminance	0.2232 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308DA3 #A34630

analogous

#30A380 #308DA3 #3054A3

triadic

#308DA3 #A3308D #8DA330

tetradic

#308DA3 #8030A3 #A34630 #54A330

square

#308DA3 #8030A3 #A34630 #54A330

split-complementary

#308DA3 #A33054 #A38030

monochromatic

#143B44 #226474 #308DA3 #47B0C9 #77C4D7

Accessibility & contrast

On white

3.84

#308DA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#308DA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308DA3

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308DA3	#FFFFFF	#000000	##000000
##308DA3	1.00	3.84	5.46	5.46
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E89A4

Deuteranopia (green-blind)

#6E7DA3

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #308da3;
/* rgb */ color: rgb(48, 141, 163);
/* oklch */ color: oklch(59.9% 0.091 216.8);

Tailwind

colors: {
  custom: {
    50: '#78aebe',
    500: '#308da3',
    950: '#000000',
  },
}

SCSS

$custom: #308da3;
$custom-light: #78aebe;
$custom-dark: #000000;

JSON

{
  "hex": "#308da3",
  "rgb": {
    "r": 48,
    "g": 141,
    "b": 163
  },
  "hsl": {
    "h": 191.478,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.59877,
    "c": 0.09093,
    "h": 216.8
  },
  "luminance": 0.22322
}

Semantic roles & 50–950 ramp

primary

#308DA3

secondary

#BF7F70

accent

#664ADE

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #308DA3

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

Preview Lab → · Contrast checker → · Palette generator →