#11317F#11317F

#11317F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.5% C 0.137 H 263.7°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#11317F
RGB	rgb(17, 49, 127)
HSL	hsl(223, 76%, 28%)
HSV	hsv(223, 87%, 50%)
CMYK	cmyk(86.6%, 61.4%, 0%, 50.2%)
CIE-LAB	lab(23.16, 20.51, -47.19)
CIE-LCH	lch(23.16, 51.46, 293.49°)
OKLab	oklab(34.51% -0.015 -0.1365)
OKLCH	oklch(34.51% 0.137 263.7)
XYZ	xyz(5.1589, 3.8475, 20.5453)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11317F #7F5F11

analogous

#11687F #11317F #28117F

triadic

#11317F #7F1131 #317F11

tetradic

#11317F #7F1168 #7F5F11 #117F28

square

#11317F #7F1168 #7F5F11 #117F28

split-complementary

#11317F #7F2811 #687F11

monochromatic

#040A1B #0A1C49 #11317F #1846B5 #285EE2

Accessibility & contrast

On white

11.87

#11317F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#11317F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11317F

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11317F	#FFFFFF	#000000	##FFFFFF
##11317F	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C82

Deuteranopia (green-blind)

#00327E

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #11317f;
/* rgb */ color: rgb(17, 49, 127);
/* oklch */ color: oklch(34.5% 0.137 263.7);

Tailwind

colors: {
  custom: {
    50: '#6568a5',
    500: '#11317f',
    950: '#000000',
  },
}

SCSS

$custom: #11317f;
$custom-light: #6568a5;
$custom-dark: #000000;

JSON

{
  "hex": "#11317f",
  "rgb": {
    "r": 17,
    "g": 49,
    "b": 127
  },
  "hsl": {
    "h": 222.545,
    "s": 76.389,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34509,
    "c": 0.13734,
    "h": 263.7
  },
  "luminance": 0.03848
}

Semantic roles & 50–950 ramp

primary

#11317F

secondary

#B59037

accent

#BC35F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #11317F

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

Preview Lab → · Contrast checker → · Palette generator →