#308BA3#308BA3

#308BA3 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.4% C 0.091 H 218.9°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#308BA3
RGB	rgb(48, 139, 163)
HSL	hsl(193, 55%, 41%)
HSV	hsv(193, 71%, 64%)
CMYK	cmyk(70.6%, 14.7%, 0%, 36.1%)
CIE-LAB	lab(53.75, -18.59, -20.49)
CIE-LCH	lch(53.75, 27.66, 227.78°)
OKLab	oklab(59.38% -0.0707 -0.0571)
OKLCH	oklch(59.38% 0.091 218.9)
XYZ	xyz(17.0597, 21.7360, 37.9396)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308BA3 #A34830

analogous

#30A382 #308BA3 #3052A3

triadic

#308BA3 #A3308B #8BA330

tetradic

#308BA3 #8230A3 #A34830 #52A330

square

#308BA3 #8230A3 #A34830 #52A330

split-complementary

#308BA3 #A33052 #A38230

monochromatic

#143A44 #226374 #308BA3 #47AEC9 #77C3D7

Accessibility & contrast

On white

3.93

#308BA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#308BA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BA3

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308BA3	#FFFFFF	#000000	##000000
##308BA3	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C87A4

Deuteranopia (green-blind)

#6C7BA3

Tritanopia (blue-blind)

#009393

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #308ba3;
/* rgb */ color: rgb(48, 139, 163);
/* oklch */ color: oklch(59.4% 0.091 218.9);

Tailwind

colors: {
  custom: {
    50: '#78adbe',
    500: '#308ba3',
    950: '#000000',
  },
}

SCSS

$custom: #308ba3;
$custom-light: #78adbe;
$custom-dark: #000000;

JSON

{
  "hex": "#308ba3",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 163
  },
  "hsl": {
    "h": 192.522,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.59379,
    "c": 0.09094,
    "h": 218.9
  },
  "luminance": 0.21738
}

Semantic roles & 50–950 ramp

primary

#308BA3

secondary

#BF8070

accent

#694ADE

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #308BA3

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

Preview Lab → · Contrast checker → · Palette generator →