#308BB1#308BB1

#308BB1 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.0% C 0.101 H 229.9°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#308BB1
RGB	rgb(48, 139, 177)
HSL	hsl(198, 57%, 44%)
HSV	hsv(198, 73%, 69%)
CMYK	cmyk(72.9%, 21.5%, 0%, 30.6%)
CIE-LAB	lab(54.31, -13.89, -27.66)
CIE-LCH	lch(54.31, 30.95, 243.34°)
OKLab	oklab(60.01% -0.0653 -0.0776)
OKLCH	oklch(60.01% 0.101 229.9)
XYZ	xyz(18.3842, 22.2658, 44.9153)
Luminance	0.2227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308BB1 #B15630

analogous

#30B197 #308BB1 #304BB1

triadic

#308BB1 #B1308B #8BB130

tetradic

#308BB1 #9730B1 #B15630 #4BB130

square

#308BB1 #9730B1 #B15630 #4BB130

split-complementary

#308BB1 #B1304B #B19730

monochromatic

#163F51 #236581 #308BB1 #4FA9CF #7FC1DC

Accessibility & contrast

On white

3.85

#308BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#308BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BB1

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308BB1	#FFFFFF	#000000	##000000
##308BB1	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7889B3

Deuteranopia (green-blind)

#667CB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #308bb1;
/* rgb */ color: rgb(48, 139, 177);
/* oklch */ color: oklch(60.0% 0.101 229.9);

Tailwind

colors: {
  custom: {
    50: '#7aadc8',
    500: '#308bb1',
    950: '#000000',
  },
}

SCSS

$custom: #308bb1;
$custom-light: #7aadc8;
$custom-dark: #000000;

JSON

{
  "hex": "#308bb1",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 177
  },
  "hsl": {
    "h": 197.674,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.60015,
    "c": 0.10148,
    "h": 229.9
  },
  "luminance": 0.22268
}

Semantic roles & 50–950 ramp

primary

#308BB1

secondary

#C58E78

accent

#7447E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #308BB1

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

Preview Lab → · Contrast checker → · Palette generator →