#308B9E#308B9E

#308B9E is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.2% C 0.088 H 214.4°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#308B9E
RGB	rgb(48, 139, 158)
HSL	hsl(190, 53%, 40%)
HSV	hsv(190, 70%, 62%)
CMYK	cmyk(69.6%, 12%, 0%, 38%)
CIE-LAB	lab(53.56, -20.22, -17.89)
CIE-LCH	lch(53.56, 27.00, 221.51°)
OKLab	oklab(59.17% -0.0728 -0.0498)
OKLCH	oklch(59.17% 0.088 214.4)
XYZ	xyz(16.6205, 21.5604, 35.6267)
Luminance	0.2156 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308B9E #9E4330

analogous

#309E7A #308B9E #30549E

triadic

#308B9E #9E308B #8B9E30

tetradic

#308B9E #7A309E #9E4330 #549E30

square

#308B9E #7A309E #9E4330 #549E30

split-complementary

#308B9E #9E3054 #9E7A30

monochromatic

#133840 #22626F #308B9E #45B0C6 #74C4D5

Accessibility & contrast

On white

3.95

#308B9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#308B9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308B9E

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308B9E	#FFFFFF	#000000	##000000
##308B9E	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D869F

Deuteranopia (green-blind)

#6E7B9E

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #308b9e;
/* rgb */ color: rgb(48, 139, 158);
/* oklch */ color: oklch(59.2% 0.088 214.4);

Tailwind

colors: {
  custom: {
    50: '#77adba',
    500: '#308b9e',
    950: '#000000',
  },
}

SCSS

$custom: #308b9e;
$custom-light: #77adba;
$custom-dark: #000000;

JSON

{
  "hex": "#308b9e",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 158
  },
  "hsl": {
    "h": 190.364,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.59165,
    "c": 0.0882,
    "h": 214.4
  },
  "luminance": 0.21562
}

Semantic roles & 50–950 ramp

primary

#308B9E

secondary

#BD7B6D

accent

#644BDD

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #308B9E

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

Preview Lab → · Contrast checker → · Palette generator →