#11307C#11307C

#11307C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.0% C 0.134 H 263.8°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#11307C
RGB	rgb(17, 48, 124)
HSL	hsl(223, 76%, 28%)
HSV	hsv(223, 86%, 49%)
CMYK	cmyk(86.3%, 61.3%, 0%, 51.4%)
CIE-LAB	lab(22.61, 19.98, -46.20)
CIE-LCH	lch(22.61, 50.33, 293.39°)
OKLab	oklab(34.02% -0.0145 -0.1336)
OKLCH	oklch(34.02% 0.134 263.8)
XYZ	xyz(4.9249, 3.6877, 19.5171)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11307C #7C5D11

analogous

#11657C #11307C #28117C

triadic

#11307C #7C1130 #307C11

tetradic

#11307C #7C1165 #7C5D11 #117C28

square

#11307C #7C1165 #7C5D11 #117C28

split-complementary

#11307C #7C2811 #657C11

monochromatic

#040A1B #0A1B46 #11307C #1845B2 #265CE1

Accessibility & contrast

On white

12.09

#11307C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#11307C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11307C

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11307C	#FFFFFF	#000000	##FFFFFF
##11307C	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7F

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #11307c;
/* rgb */ color: rgb(17, 48, 124);
/* oklch */ color: oklch(34.0% 0.134 263.8);

Tailwind

colors: {
  custom: {
    50: '#6567a3',
    500: '#11307c',
    950: '#000000',
  },
}

SCSS

$custom: #11307c;
$custom-light: #6567a3;
$custom-dark: #000000;

JSON

{
  "hex": "#11307c",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 124
  },
  "hsl": {
    "h": 222.617,
    "s": 75.887,
    "l": 27.647
  },
  "oklch": {
    "l": 0.34015,
    "c": 0.13439,
    "h": 263.8
  },
  "luminance": 0.03688
}

Semantic roles & 50–950 ramp

primary

#11307C

secondary

#B28E37

accent

#BC35F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #11307C

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

Preview Lab → · Contrast checker → · Palette generator →