#308BB2#308BB2

#308BB2 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.1% C 0.102 H 230.6°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#308BB2
RGB	rgb(48, 139, 178)
HSL	hsl(198, 58%, 44%)
HSV	hsv(198, 73%, 70%)
CMYK	cmyk(73%, 21.9%, 0%, 30.2%)
CIE-LAB	lab(54.35, -13.55, -28.17)
CIE-LCH	lch(54.35, 31.26, 244.31°)
OKLab	oklab(60.06% -0.065 -0.0791)
OKLCH	oklch(60.06% 0.102 230.6)
XYZ	xyz(18.4842, 22.3058, 45.4421)
Luminance	0.2231 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308BB2 #B25730

analogous

#30B298 #308BB2 #304AB2

triadic

#308BB2 #B2308B #8BB230

tetradic

#308BB2 #9830B2 #B25730 #4AB230

square

#308BB2 #9830B2 #B25730 #4AB230

split-complementary

#308BB2 #B2304A #B29830

monochromatic

#164052 #236582 #308BB2 #50A9D0 #80C1DD

Accessibility & contrast

On white

3.85

#308BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#308BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BB2

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308BB2	#FFFFFF	#000000	##000000
##308BB2	1.00	3.85	5.46	5.46
#FFFFFF	3.85	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)

#7789B4

Deuteranopia (green-blind)

#667CB1

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #308bb2;
/* rgb */ color: rgb(48, 139, 178);
/* oklch */ color: oklch(60.1% 0.102 230.6);

Tailwind

colors: {
  custom: {
    50: '#7aacc9',
    500: '#308bb2',
    950: '#000000',
  },
}

SCSS

$custom: #308bb2;
$custom-light: #7aacc9;
$custom-dark: #000000;

JSON

{
  "hex": "#308bb2",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 178
  },
  "hsl": {
    "h": 198,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.60062,
    "c": 0.10236,
    "h": 230.6
  },
  "luminance": 0.22308
}

Semantic roles & 50–950 ramp

primary

#308BB2

secondary

#C68F78

accent

#7547E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #308BB2

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

Preview Lab → · Contrast checker → · Palette generator →