#11397F#11397F

#11397F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.3% C 0.127 H 260.8°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#11397F
RGB	rgb(17, 57, 127)
HSL	hsl(218, 76%, 28%)
HSV	hsv(218, 87%, 50%)
CMYK	cmyk(86.6%, 55.1%, 0%, 50.2%)
CIE-LAB	lab(25.49, 14.82, -43.40)
CIE-LCH	lch(25.49, 45.86, 288.85°)
OKLab	oklab(36.27% -0.0203 -0.1252)
OKLCH	oklch(36.27% 0.127 260.8)
XYZ	xyz(5.5237, 4.5770, 20.6669)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11397F #7F5711

analogous

#11707F #11397F #20117F

triadic

#11397F #7F1139 #397F11

tetradic

#11397F #7F1170 #7F5711 #117F20

square

#11397F #7F1170 #7F5711 #117F20

split-complementary

#11397F #7F2011 #707F11

monochromatic

#040C1B #0A2149 #11397F #1851B5 #286CE2

Accessibility & contrast

On white

10.96

#11397F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#11397F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11397F

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11397F	#FFFFFF	#000000	##FFFFFF
##11397F	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014281

Deuteranopia (green-blind)

#00387E

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #11397f;
/* rgb */ color: rgb(17, 57, 127);
/* oklch */ color: oklch(36.3% 0.127 260.8);

Tailwind

colors: {
  custom: {
    50: '#656ea5',
    500: '#11397f',
    950: '#000000',
  },
}

SCSS

$custom: #11397f;
$custom-light: #656ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#11397f",
  "rgb": {
    "r": 17,
    "g": 57,
    "b": 127
  },
  "hsl": {
    "h": 218.182,
    "s": 76.389,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36271,
    "c": 0.12684,
    "h": 260.8
  },
  "luminance": 0.04578
}

Semantic roles & 50–950 ramp

primary

#11397F

secondary

#B58737

accent

#AE35F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #11397F

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

Preview Lab → · Contrast checker → · Palette generator →