#11308E#11308E

#11308E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.159 H 264.9°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#11308E
RGB	rgb(17, 48, 142)
HSL	hsl(225, 79%, 31%)
HSV	hsv(225, 88%, 56%)
CMYK	cmyk(88%, 66.2%, 0%, 44.3%)
CIE-LAB	lab(24.27, 27.34, -54.75)
CIE-LCH	lch(24.27, 61.20, 296.53°)
OKLab	oklab(35.76% -0.0143 -0.1587)
OKLCH	oklch(35.76% 0.159 264.9)
XYZ	xyz(6.1689, 4.1853, 26.0686)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11308E #8E6F11

analogous

#116E8E #11308E #30118E

triadic

#11308E #8E1130 #308E11

tetradic

#11308E #8E116E #8E6F11 #118E30

square

#11308E #8E116E #8E6F11 #118E30

split-complementary

#11308E #8E3011 #6E8E11

monochromatic

#040B21 #0A1E57 #11308E #1842C5 #335FE7

Accessibility & contrast

On white

11.43

#11308E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#11308E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11308E

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11308E	#FFFFFF	#000000	##FFFFFF
##11308E	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004091

Deuteranopia (green-blind)

#00348C

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #11308e;
/* rgb */ color: rgb(17, 48, 142);
/* oklch */ color: oklch(35.8% 0.159 264.9);

Tailwind

colors: {
  custom: {
    50: '#6a68b0',
    500: '#11308e',
    950: '#000000',
  },
}

SCSS

$custom: #11308e;
$custom-light: #6a68b0;
$custom-dark: #000000;

JSON

{
  "hex": "#11308e",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 142
  },
  "hsl": {
    "h": 225.12,
    "s": 78.616,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35764,
    "c": 0.15929,
    "h": 264.9
  },
  "luminance": 0.04186
}

Semantic roles & 50–950 ramp

primary

#11308E

secondary

#C2A038

accent

#C533F5

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080611

muted

#7A7A80

Preview Lab

Preview with #11308E

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

Preview Lab → · Contrast checker → · Palette generator →