#11307E#11307E

#11307E is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.2% C 0.137 H 264.0°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#11307E
RGB	rgb(17, 48, 126)
HSL	hsl(223, 76%, 28%)
HSV	hsv(223, 87%, 49%)
CMYK	cmyk(86.5%, 61.9%, 0%, 50.6%)
CIE-LAB	lab(22.79, 20.81, -47.17)
CIE-LCH	lch(22.79, 51.56, 293.81°)
OKLab	oklab(34.2% -0.0144 -0.1365)
OKLCH	oklch(34.2% 0.137 264)
XYZ	xyz(5.0527, 3.7388, 20.1900)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11307E #7E5F11

analogous

#11667E #11307E #28117E

triadic

#11307E #7E1130 #307E11

tetradic

#11307E #7E1166 #7E5F11 #117E28

square

#11307E #7E1166 #7E5F11 #117E28

split-complementary

#11307E #7E2811 #667E11

monochromatic

#040A1B #0A1B48 #11307E #1845B4 #275DE2

Accessibility & contrast

On white

12.02

#11307E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#11307E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11307E

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11307E	#FFFFFF	#000000	##FFFFFF
##11307E	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C81

Deuteranopia (green-blind)

#00327D

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #11307e;
/* rgb */ color: rgb(17, 48, 126);
/* oklch */ color: oklch(34.2% 0.137 264.0);

Tailwind

colors: {
  custom: {
    50: '#6567a4',
    500: '#11307e',
    950: '#000000',
  },
}

SCSS

$custom: #11307e;
$custom-light: #6567a4;
$custom-dark: #000000;

JSON

{
  "hex": "#11307e",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 126
  },
  "hsl": {
    "h": 222.936,
    "s": 76.224,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34203,
    "c": 0.13723,
    "h": 264
  },
  "luminance": 0.03739
}

Semantic roles & 50–950 ramp

primary

#11307E

secondary

#B49037

accent

#BD35F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #11307E

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

Preview Lab → · Contrast checker → · Palette generator →