#308CB0#308CB0

#308CB0 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.2% C 0.100 H 228.3°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#308CB0
RGB	rgb(48, 140, 176)
HSL	hsl(197, 57%, 44%)
HSV	hsv(197, 73%, 69%)
CMYK	cmyk(72.7%, 20.5%, 0%, 31%)
CIE-LAB	lab(54.57, -14.78, -26.68)
CIE-LCH	lch(54.57, 30.50, 241.01°)
OKLab	oklab(60.21% -0.0667 -0.0748)
OKLCH	oklch(60.21% 0.1 228.3)
XYZ	xyz(18.4303, 22.5170, 44.4408)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308CB0 #B05430

analogous

#30B094 #308CB0 #304CB0

triadic

#308CB0 #B0308C #8CB030

tetradic

#308CB0 #9430B0 #B05430 #4CB030

square

#308CB0 #9430B0 #B05430 #4CB030

split-complementary

#308CB0 #B0304C #B09430

monochromatic

#164050 #236680 #308CB0 #4EABCF #7EC2DC

Accessibility & contrast

On white

3.82

#308CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#308CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308CB0

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308CB0	#FFFFFF	#000000	##000000
##308CB0	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798AB2

Deuteranopia (green-blind)

#687DB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #308cb0;
/* rgb */ color: rgb(48, 140, 176);
/* oklch */ color: oklch(60.2% 0.100 228.3);

Tailwind

colors: {
  custom: {
    50: '#7aadc7',
    500: '#308cb0',
    950: '#000000',
  },
}

SCSS

$custom: #308cb0;
$custom-light: #7aadc7;
$custom-dark: #000000;

JSON

{
  "hex": "#308cb0",
  "rgb": {
    "r": 48,
    "g": 140,
    "b": 176
  },
  "hsl": {
    "h": 196.875,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.60212,
    "c": 0.10025,
    "h": 228.3
  },
  "luminance": 0.22519
}

Semantic roles & 50–950 ramp

primary

#308CB0

secondary

#C58D77

accent

#7247E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #308CB0

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

Preview Lab → · Contrast checker → · Palette generator →