#11397C#11397C

#11397C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.0% C 0.123 H 260.3°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#11397C
RGB	rgb(17, 57, 124)
HSL	hsl(218, 76%, 28%)
HSV	hsv(218, 86%, 49%)
CMYK	cmyk(86.3%, 54%, 0%, 51.4%)
CIE-LAB	lab(25.26, 13.55, -41.89)
CIE-LCH	lch(25.26, 44.03, 287.92°)
OKLab	oklab(36.02% -0.0207 -0.1208)
OKLCH	oklch(36.02% 0.123 260.3)
XYZ	xyz(5.3311, 4.5000, 19.6525)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11397C #7C5411

analogous

#116F7C #11397C #1E117C

triadic

#11397C #7C1139 #397C11

tetradic

#11397C #7C116F #7C5411 #117C1E

square

#11397C #7C116F #7C5411 #117C1E

split-complementary

#11397C #7C1E11 #6F7C11

monochromatic

#040C1B #0A2046 #11397C #1852B2 #266CE1

Accessibility & contrast

On white

11.05

#11397C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#11397C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11397C

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11397C	#FFFFFF	#000000	##FFFFFF
##11397C	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09417E

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #11397c;
/* rgb */ color: rgb(17, 57, 124);
/* oklch */ color: oklch(36.0% 0.123 260.3);

Tailwind

colors: {
  custom: {
    50: '#646ea2',
    500: '#11397c',
    950: '#000000',
  },
}

SCSS

$custom: #11397c;
$custom-light: #646ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#11397c",
  "rgb": {
    "r": 17,
    "g": 57,
    "b": 124
  },
  "hsl": {
    "h": 217.57,
    "s": 75.887,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36019,
    "c": 0.12253,
    "h": 260.3
  },
  "luminance": 0.04501
}

Semantic roles & 50–950 ramp

primary

#11397C

secondary

#B28437

accent

#AC35F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #11397C

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

Preview Lab → · Contrast checker → · Palette generator →