#11307F#11307F

#11307F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.3% C 0.139 H 264.0°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#11307F
RGB	rgb(17, 48, 127)
HSL	hsl(223, 76%, 28%)
HSV	hsv(223, 87%, 50%)
CMYK	cmyk(86.6%, 62.2%, 0%, 50.2%)
CIE-LAB	lab(22.88, 21.23, -47.66)
CIE-LCH	lch(22.88, 52.17, 294.01°)
OKLab	oklab(34.3% -0.0144 -0.1379)
OKLCH	oklch(34.3% 0.139 264)
XYZ	xyz(5.1175, 3.7648, 20.5315)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11307F #7F6011

analogous

#11677F #11307F #29117F

triadic

#11307F #7F1130 #307F11

tetradic

#11307F #7F1167 #7F6011 #117F29

square

#11307F #7F1167 #7F6011 #117F29

split-complementary

#11307F #7F2911 #677F11

monochromatic

#040A1B #0A1C49 #11307F #1844B5 #285DE2

Accessibility & contrast

On white

11.98

#11307F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#11307F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11307F

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11307F	#FFFFFF	#000000	##FFFFFF
##11307F	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C82

Deuteranopia (green-blind)

#00327D

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #11307f;
/* rgb */ color: rgb(17, 48, 127);
/* oklch */ color: oklch(34.3% 0.139 264.0);

Tailwind

colors: {
  custom: {
    50: '#6567a5',
    500: '#11307f',
    950: '#000000',
  },
}

SCSS

$custom: #11307f;
$custom-light: #6567a5;
$custom-dark: #000000;

JSON

{
  "hex": "#11307f",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 127
  },
  "hsl": {
    "h": 223.091,
    "s": 76.389,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34298,
    "c": 0.13864,
    "h": 264
  },
  "luminance": 0.03765
}

Semantic roles & 50–950 ramp

primary

#11307F

secondary

#B59137

accent

#BD35F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #11307F

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

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