#308CB7#308CB7

#308CB7 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.5% C 0.107 H 233.0°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#308CB7
RGB	rgb(48, 140, 183)
HSL	hsl(199, 58%, 45%)
HSV	hsv(199, 74%, 72%)
CMYK	cmyk(73.8%, 23.5%, 0%, 28.2%)
CIE-LAB	lab(54.87, -12.39, -30.22)
CIE-LCH	lch(54.87, 32.66, 247.71°)
OKLab	oklab(60.55% -0.0641 -0.085)
OKLCH	oklch(60.55% 0.107 233)
XYZ	xyz(19.1408, 22.8012, 48.1829)
Luminance	0.2280 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308CB7 #B75B30

analogous

#30B79E #308CB7 #3048B7

triadic

#308CB7 #B7308C #8CB730

tetradic

#308CB7 #9E30B7 #B75B30 #48B730

square

#308CB7 #9E30B7 #B75B30 #48B730

split-complementary

#308CB7 #B73048 #B79E30

monochromatic

#174256 #236787 #308CB7 #52A9D2 #83C1DE

Accessibility & contrast

On white

3.78

#308CB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#308CB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308CB7

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308CB7	#FFFFFF	#000000	##000000
##308CB7	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778BB9

Deuteranopia (green-blind)

#647EB6

Tritanopia (blue-blind)

#00979A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #308cb7;
/* rgb */ color: rgb(48, 140, 183);
/* oklch */ color: oklch(60.5% 0.107 233.0);

Tailwind

colors: {
  custom: {
    50: '#7badcc',
    500: '#308cb7',
    950: '#000000',
  },
}

SCSS

$custom: #308cb7;
$custom-light: #7badcc;
$custom-dark: #000000;

JSON

{
  "hex": "#308cb7",
  "rgb": {
    "r": 48,
    "g": 140,
    "b": 183
  },
  "hsl": {
    "h": 199.111,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.60545,
    "c": 0.10651,
    "h": 233
  },
  "luminance": 0.22803
}

Semantic roles & 50–950 ramp

primary

#308CB7

secondary

#C8947B

accent

#7846E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308CB7

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

Preview Lab → · Contrast checker → · Palette generator →