#307BA1#307BA1

#307BA1 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.3% C 0.094 H 234.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#307BA1
RGB	rgb(48, 123, 161)
HSL	hsl(200, 54%, 41%)
HSV	hsv(200, 70%, 63%)
CMYK	cmyk(70.2%, 23.6%, 0%, 36.9%)
CIE-LAB	lab(48.72, -10.37, -27.08)
CIE-LCH	lch(48.72, 29.00, 249.04°)
OKLab	oklab(55.33% -0.0547 -0.0761)
OKLCH	oklch(55.33% 0.094 234.3)
XYZ	xyz(14.7324, 17.3659, 36.2868)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307BA1 #A15630

analogous

#30A18E #307BA1 #3042A1

triadic

#307BA1 #A1307B #7BA130

tetradic

#307BA1 #8E30A1 #A15630 #42A130

square

#307BA1 #8E30A1 #A15630 #42A130

split-complementary

#307BA1 #A13042 #A18E30

monochromatic

#143343 #225772 #307BA1 #469CC8 #75B6D6

Accessibility & contrast

On white

4.69

#307BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#307BA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307BA1

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307BA1	#FFFFFF	#000000	##FFFFFF
##307BA1	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697AA3

Deuteranopia (green-blind)

#596FA0

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307ba1;
/* rgb */ color: rgb(48, 123, 161);
/* oklch */ color: oklch(55.3% 0.094 234.3);

Tailwind

colors: {
  custom: {
    50: '#76a1bd',
    500: '#307ba1',
    950: '#000000',
  },
}

SCSS

$custom: #307ba1;
$custom-light: #76a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#307ba1",
  "rgb": {
    "r": 48,
    "g": 123,
    "b": 161
  },
  "hsl": {
    "h": 200.177,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55332,
    "c": 0.09374,
    "h": 234.3
  },
  "luminance": 0.17368
}

Semantic roles & 50–950 ramp

primary

#307BA1

secondary

#BE896F

accent

#7C4ADD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #307BA1

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

Preview Lab → · Contrast checker → · Palette generator →