#308CB1#308CB1

#308CB1 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.3% C 0.101 H 229.0°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#308CB1
RGB	rgb(48, 140, 177)
HSL	hsl(197, 57%, 44%)
HSV	hsv(197, 73%, 69%)
CMYK	cmyk(72.9%, 20.9%, 0%, 30.6%)
CIE-LAB	lab(54.61, -14.44, -27.19)
CIE-LCH	lch(54.61, 30.79, 242.02°)
OKLab	oklab(60.26% -0.0663 -0.0763)
OKLCH	oklch(60.26% 0.101 229)
XYZ	xyz(18.5296, 22.5567, 44.9638)
Luminance	0.2256 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308CB1 #B15530

analogous

#30B196 #308CB1 #304CB1

triadic

#308CB1 #B1308C #8CB130

tetradic

#308CB1 #9630B1 #B15530 #4CB130

square

#308CB1 #9630B1 #B15530 #4CB130

split-complementary

#308CB1 #B1304C #B19630

monochromatic

#164051 #236681 #308CB1 #4FAACF #7FC2DC

Accessibility & contrast

On white

3.81

#308CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#308CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308CB1

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308CB1	#FFFFFF	#000000	##000000
##308CB1	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)

#798AB3

Deuteranopia (green-blind)

#677DB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #308cb1;
/* rgb */ color: rgb(48, 140, 177);
/* oklch */ color: oklch(60.3% 0.101 229.0);

Tailwind

colors: {
  custom: {
    50: '#7aadc8',
    500: '#308cb1',
    950: '#000000',
  },
}

SCSS

$custom: #308cb1;
$custom-light: #7aadc8;
$custom-dark: #000000;

JSON

{
  "hex": "#308cb1",
  "rgb": {
    "r": 48,
    "g": 140,
    "b": 177
  },
  "hsl": {
    "h": 197.209,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.60258,
    "c": 0.1011,
    "h": 229
  },
  "luminance": 0.22559
}

Semantic roles & 50–950 ramp

primary

#308CB1

secondary

#C58E78

accent

#7347E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #308CB1

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

Preview Lab → · Contrast checker → · Palette generator →