#308DB4#308DB4

#308DB4 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.6% C 0.103 H 230.1°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#308DB4
RGB	rgb(48, 141, 180)
HSL	hsl(198, 58%, 45%)
HSV	hsv(198, 73%, 71%)
CMYK	cmyk(73.3%, 21.7%, 0%, 29.4%)
CIE-LAB	lab(55.04, -13.97, -28.24)
CIE-LCH	lch(55.04, 31.51, 243.67°)
OKLab	oklab(60.64% -0.0662 -0.0793)
OKLCH	oklch(60.64% 0.103 230.1)
XYZ	xyz(18.9787, 22.9712, 46.6048)
Luminance	0.2297 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308DB4 #B45730

analogous

#30B499 #308DB4 #304BB4

triadic

#308DB4 #B4308D #8DB430

tetradic

#308DB4 #9930B4 #B45730 #4BB430

square

#308DB4 #9930B4 #B45730 #4BB430

split-complementary

#308DB4 #B4304B #B49930

monochromatic

#164153 #236784 #308DB4 #51ABD1 #81C2DD

Accessibility & contrast

On white

3.75

#308DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#308DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308DB4

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308DB4	#FFFFFF	#000000	##000000
##308DB4	1.00	3.75	5.59	5.59
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798BB6

Deuteranopia (green-blind)

#677EB3

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #308db4;
/* rgb */ color: rgb(48, 141, 180);
/* oklch */ color: oklch(60.6% 0.103 230.1);

Tailwind

colors: {
  custom: {
    50: '#7aaeca',
    500: '#308db4',
    950: '#000000',
  },
}

SCSS

$custom: #308db4;
$custom-light: #7aaeca;
$custom-dark: #000000;

JSON

{
  "hex": "#308db4",
  "rgb": {
    "r": 48,
    "g": 141,
    "b": 180
  },
  "hsl": {
    "h": 197.727,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60643,
    "c": 0.10332,
    "h": 230.1
  },
  "luminance": 0.22973
}

Semantic roles & 50–950 ramp

primary

#308DB4

secondary

#C69079

accent

#7447E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308DB4

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

Preview Lab → · Contrast checker → · Palette generator →