#308BB5#308BB5

#308BB5 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.2% C 0.105 H 232.6°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#308BB5
RGB	rgb(48, 139, 181)
HSL	hsl(199, 58%, 45%)
HSV	hsv(199, 73%, 71%)
CMYK	cmyk(73.5%, 23.2%, 0%, 29%)
CIE-LAB	lab(54.48, -12.52, -29.69)
CIE-LCH	lch(54.48, 32.22, 247.14°)
OKLab	oklab(60.21% -0.0639 -0.0835)
OKLCH	oklch(60.21% 0.105 232.6)
XYZ	xyz(18.7887, 22.4276, 47.0458)
Luminance	0.2243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308BB5 #B55A30

analogous

#30B59C #308BB5 #3049B5

triadic

#308BB5 #B5308B #8BB530

tetradic

#308BB5 #9C30B5 #B55A30 #49B530

square

#308BB5 #9C30B5 #B55A30 #49B530

split-complementary

#308BB5 #B53049 #B59C30

monochromatic

#164154 #236685 #308BB5 #51A9D1 #82C1DE

Accessibility & contrast

On white

3.83

#308BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#308BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BB5

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308BB5	#FFFFFF	#000000	##000000
##308BB5	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768AB7

Deuteranopia (green-blind)

#647DB4

Tritanopia (blue-blind)

#009699

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #308bb5;
/* rgb */ color: rgb(48, 139, 181);
/* oklch */ color: oklch(60.2% 0.105 232.6);

Tailwind

colors: {
  custom: {
    50: '#7aaccb',
    500: '#308bb5',
    950: '#000000',
  },
}

SCSS

$custom: #308bb5;
$custom-light: #7aaccb;
$custom-dark: #000000;

JSON

{
  "hex": "#308bb5",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 181
  },
  "hsl": {
    "h": 198.947,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.60207,
    "c": 0.10512,
    "h": 232.6
  },
  "luminance": 0.2243
}

Semantic roles & 50–950 ramp

primary

#308BB5

secondary

#C7927A

accent

#7746E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308BB5

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

Preview Lab → · Contrast checker → · Palette generator →