#11397E#11397E

#11397E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.2% C 0.125 H 260.6°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#11397E
RGB	rgb(17, 57, 126)
HSL	hsl(218, 76%, 28%)
HSV	hsv(218, 87%, 49%)
CMYK	cmyk(86.5%, 54.8%, 0%, 50.6%)
CIE-LAB	lab(25.42, 14.40, -42.90)
CIE-LCH	lch(25.42, 45.25, 288.55°)
OKLab	oklab(36.19% -0.0204 -0.1237)
OKLCH	oklch(36.19% 0.125 260.6)
XYZ	xyz(5.4588, 4.5511, 20.3254)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11397E #7E5611

analogous

#116F7E #11397E #20117E

triadic

#11397E #7E1139 #397E11

tetradic

#11397E #7E116F #7E5611 #117E20

square

#11397E #7E116F #7E5611 #117E20

split-complementary

#11397E #7E2011 #6F7E11

monochromatic

#040C1B #0A2148 #11397E #1851B4 #276CE2

Accessibility & contrast

On white

10.99

#11397E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#11397E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11397E

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11397E	#FFFFFF	#000000	##FFFFFF
##11397E	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#044180

Deuteranopia (green-blind)

#00387D

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #11397e;
/* rgb */ color: rgb(17, 57, 126);
/* oklch */ color: oklch(36.2% 0.125 260.6);

Tailwind

colors: {
  custom: {
    50: '#646ea4',
    500: '#11397e',
    950: '#000000',
  },
}

SCSS

$custom: #11397e;
$custom-light: #646ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#11397e",
  "rgb": {
    "r": 17,
    "g": 57,
    "b": 126
  },
  "hsl": {
    "h": 217.982,
    "s": 76.224,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36186,
    "c": 0.1254,
    "h": 260.6
  },
  "luminance": 0.04552
}

Semantic roles & 50–950 ramp

primary

#11397E

secondary

#B48637

accent

#AD35F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #11397E

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

Preview Lab → · Contrast checker → · Palette generator →