#11397D#11397D

#11397D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.1% C 0.124 H 260.5°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#11397D
RGB	rgb(17, 57, 125)
HSL	hsl(218, 76%, 28%)
HSV	hsv(218, 86%, 49%)
CMYK	cmyk(86.4%, 54.4%, 0%, 51%)
CIE-LAB	lab(25.34, 13.97, -42.39)
CIE-LCH	lch(25.34, 44.64, 288.24°)
OKLab	oklab(36.1% -0.0205 -0.1222)
OKLCH	oklch(36.1% 0.124 260.5)
XYZ	xyz(5.3946, 4.5254, 19.9872)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11397D #7D5511

analogous

#116F7D #11397D #1F117D

triadic

#11397D #7D1139 #397D11

tetradic

#11397D #7D116F #7D5511 #117D1F

square

#11397D #7D116F #7D5511 #117D1F

split-complementary

#11397D #7D1F11 #6F7D11

monochromatic

#040C1B #0A2047 #11397D #1852B3 #276CE2

Accessibility & contrast

On white

11.02

#11397D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#11397D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11397D

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11397D	#FFFFFF	#000000	##FFFFFF
##11397D	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06417F

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #11397d;
/* rgb */ color: rgb(17, 57, 125);
/* oklch */ color: oklch(36.1% 0.124 260.5);

Tailwind

colors: {
  custom: {
    50: '#646ea3',
    500: '#11397d',
    950: '#000000',
  },
}

SCSS

$custom: #11397d;
$custom-light: #646ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#11397d",
  "rgb": {
    "r": 17,
    "g": 57,
    "b": 125
  },
  "hsl": {
    "h": 217.778,
    "s": 76.056,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36102,
    "c": 0.12396,
    "h": 260.5
  },
  "luminance": 0.04526
}

Semantic roles & 50–950 ramp

primary

#11397D

secondary

#B38537

accent

#AC35F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #11397D

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

Preview Lab → · Contrast checker → · Palette generator →