#308BB8#308BB8

#308BB8 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.4% C 0.108 H 234.4°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#308BB8
RGB	rgb(48, 139, 184)
HSL	hsl(200, 59%, 45%)
HSV	hsv(200, 74%, 72%)
CMYK	cmyk(73.9%, 24.5%, 0%, 27.8%)
CIE-LAB	lab(54.61, -11.48, -31.20)
CIE-LCH	lch(54.61, 33.24, 249.80°)
OKLab	oklab(60.35% -0.0628 -0.0878)
OKLCH	oklch(60.35% 0.108 234.4)
XYZ	xyz(19.0998, 22.5521, 48.6845)
Luminance	0.2255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308BB8 #B85D30

analogous

#30B8A1 #308BB8 #3047B8

triadic

#308BB8 #B8308B #8BB830

tetradic

#308BB8 #A130B8 #B85D30 #47B830

square

#308BB8 #A130B8 #B85D30 #47B830

split-complementary

#308BB8 #B83047 #B8A130

monochromatic

#174257 #236687 #308BB8 #53A8D2 #84C1DF

Accessibility & contrast

On white

3.81

#308BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#308BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BB8

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308BB8	#FFFFFF	#000000	##000000
##308BB8	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758ABA

Deuteranopia (green-blind)

#637DB7

Tritanopia (blue-blind)

#00979A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #308bb8;
/* rgb */ color: rgb(48, 139, 184);
/* oklch */ color: oklch(60.4% 0.108 234.4);

Tailwind

colors: {
  custom: {
    50: '#7baccd',
    500: '#308bb8',
    950: '#000000',
  },
}

SCSS

$custom: #308bb8;
$custom-light: #7baccd;
$custom-dark: #000000;

JSON

{
  "hex": "#308bb8",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 184
  },
  "hsl": {
    "h": 199.853,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.60353,
    "c": 0.10799,
    "h": 234.4
  },
  "luminance": 0.22554
}

Semantic roles & 50–950 ramp

primary

#308BB8

secondary

#C8957C

accent

#7A46E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308BB8

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

Preview Lab → · Contrast checker → · Palette generator →