#306CA3#306CA3

#306CA3 is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.8% C 0.107 H 248.9°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#306CA3
RGB	rgb(48, 108, 163)
HSL	hsl(209, 55%, 41%)
HSV	hsv(209, 71%, 64%)
CMYK	cmyk(70.6%, 33.7%, 0%, 36.1%)
CIE-LAB	lab(44.23, -0.74, -35.28)
CIE-LCH	lch(44.23, 35.29, 268.80°)
OKLab	oklab(51.81% -0.0385 -0.1)
OKLCH	oklch(51.81% 0.107 248.9)
XYZ	xyz(13.1899, 13.9964, 36.6497)
Luminance	0.1400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306CA3 #A36730

analogous

#30A3A1 #306CA3 #3033A3

triadic

#306CA3 #A3306C #6CA330

tetradic

#306CA3 #A130A3 #A36730 #33A330

square

#306CA3 #A130A3 #A36730 #33A330

split-complementary

#306CA3 #A33033 #A3A130

monochromatic

#142D44 #224D74 #306CA3 #478BC9 #77A9D7

Accessibility & contrast

On white

5.53

#306CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#306CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CA3

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306CA3	#FFFFFF	#000000	##FFFFFF
##306CA3	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536FA5

Deuteranopia (green-blind)

#4364A2

Tritanopia (blue-blind)

#007980

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #306ca3;
/* rgb */ color: rgb(48, 108, 163);
/* oklch */ color: oklch(51.8% 0.107 248.9);

Tailwind

colors: {
  custom: {
    50: '#7695be',
    500: '#306ca3',
    950: '#000000',
  },
}

SCSS

$custom: #306ca3;
$custom-light: #7695be;
$custom-dark: #000000;

JSON

{
  "hex": "#306ca3",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 163
  },
  "hsl": {
    "h": 208.696,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51811,
    "c": 0.10721,
    "h": 248.9
  },
  "luminance": 0.13998
}

Semantic roles & 50–950 ramp

primary

#306CA3

secondary

#BF9670

accent

#914ADE

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306CA3

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

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