#11305F#11305F

#11305F is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.5% C 0.091 H 258.8°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#11305F
RGB	rgb(17, 48, 95)
HSL	hsl(216, 70%, 22%)
HSV	hsv(216, 82%, 37%)
CMYK	cmyk(82.1%, 49.5%, 0%, 62.7%)
CIE-LAB	lab(20.28, 7.61, -31.27)
CIE-LCH	lch(20.28, 32.18, 283.68°)
OKLab	oklab(31.51% -0.0178 -0.0897)
OKLCH	oklch(31.51% 0.091 258.8)
XYZ	xyz(3.3529, 3.0589, 11.2380)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11305F #5F4011

analogous

#11575F #11305F #19115F

triadic

#11305F #5F1130 #305F11

tetradic

#11305F #5F1157 #5F4011 #115F19

square

#11305F #5F1157 #5F4011 #115F19

split-complementary

#11305F #5F1911 #575F11

monochromatic

#050D1A #08162B #11305F #1A4A93 #2464C7

Accessibility & contrast

On white

13.03

#11305F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#11305F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11305F

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11305F	#FFFFFF	#000000	##FFFFFF
##11305F	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173561

Deuteranopia (green-blind)

#052E5E

Tritanopia (blue-blind)

#003B42

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #11305f;
/* rgb */ color: rgb(17, 48, 95);
/* oklch */ color: oklch(31.5% 0.091 258.8);

Tailwind

colors: {
  custom: {
    50: '#5c678d',
    500: '#11305f',
    950: '#000000',
  },
}

SCSS

$custom: #11305f;
$custom-light: #5c678d;
$custom-dark: #000000;

JSON

{
  "hex": "#11305f",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 95
  },
  "hsl": {
    "h": 216.154,
    "s": 69.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31507,
    "c": 0.09146,
    "h": 258.8
  },
  "luminance": 0.03059
}

Semantic roles & 50–950 ramp

primary

#11305F

secondary

#987034

accent

#A63BEC

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #11305F

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

Preview Lab → · Contrast checker → · Palette generator →