#11307D#11307D

#11307D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.1% C 0.136 H 263.9°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#11307D
RGB	rgb(17, 48, 125)
HSL	hsl(223, 76%, 28%)
HSV	hsv(223, 86%, 49%)
CMYK	cmyk(86.4%, 61.6%, 0%, 51%)
CIE-LAB	lab(22.70, 20.40, -46.68)
CIE-LCH	lch(22.70, 50.95, 293.60°)
OKLab	oklab(34.11% -0.0145 -0.135)
OKLCH	oklch(34.11% 0.136 263.9)
XYZ	xyz(4.9885, 3.7131, 19.8518)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11307D #7D5E11

analogous

#11667D #11307D #28117D

triadic

#11307D #7D1130 #307D11

tetradic

#11307D #7D1166 #7D5E11 #117D28

square

#11307D #7D1166 #7D5E11 #117D28

split-complementary

#11307D #7D2811 #667D11

monochromatic

#040A1B #0A1B47 #11307D #1845B3 #275CE2

Accessibility & contrast

On white

12.05

#11307D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#11307D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11307D

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11307D	#FFFFFF	#000000	##FFFFFF
##11307D	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B80

Deuteranopia (green-blind)

#00317C

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #11307d;
/* rgb */ color: rgb(17, 48, 125);
/* oklch */ color: oklch(34.1% 0.136 263.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#11307d",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 125
  },
  "hsl": {
    "h": 222.778,
    "s": 76.056,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34109,
    "c": 0.13581,
    "h": 263.9
  },
  "luminance": 0.03714
}

Semantic roles & 50–950 ramp

primary

#11307D

secondary

#B38F37

accent

#BC35F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #11307D

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

Preview Lab → · Contrast checker → · Palette generator →