#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
RGBrgb(17, 57, 125)
HSLhsl(218, 76%, 28%)
HSVhsv(218, 86%, 49%)
CMYKcmyk(86.4%, 54.4%, 0%, 51%)
CIE-LABlab(25.34, 13.97, -42.39)
CIE-LCHlch(25.34, 44.64, 288.24°)
OKLaboklab(36.1% -0.0205 -0.1222)
OKLCHoklch(36.1% 0.124 260.5)
XYZxyz(5.3946, 4.5254, 19.9872)
Luminance0.0453 (WCAG relative)
Temperaturecool
Familyblue

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
##11397D1.0011.021.9111.02
#FFFFFF11.021.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF11.021.0021.001.00

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 →

#11397D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva