#133C7E#133C7E

#133C7E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 36.9% C 0.121 H 259.8°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX#133C7E
RGBrgb(19, 60, 126)
HSLhsl(217, 74%, 28%)
HSVhsv(217, 85%, 49%)
CMYKcmyk(84.9%, 52.4%, 0%, 50.6%)
CIE-LABlab(26.38, 12.46, -41.34)
CIE-LCHlch(26.38, 43.17, 286.78°)
OKLaboklab(36.94% -0.0215 -0.119)
OKLCHoklch(36.94% 0.121 259.8)
XYZxyz(5.6489, 4.8758, 20.3780)
Luminance0.0488 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133C7E #7E5513
analogous
#13717E #133C7E #1F137E
triadic
#133C7E #7E133C #3C7E13
tetradic
#133C7E #7E1371 #7E5513 #137E1F
square
#133C7E #7E1371 #7E5513 #137E1F
split-complementary
#133C7E #7E1F13 #717E13
monochromatic
#040D1B #0B2349 #133C7E #1B55B3 #2C71DF

Accessibility & contrast

On white

10.63
#133C7E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#133C7E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C7E
10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133C7E#FFFFFF#000000##FFFFFF
##133C7E1.0010.631.9810.63
#FFFFFF10.631.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#114480
Deuteranopia (green-blind)
#003A7D
Tritanopia (blue-blind)
#004C57
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #133c7e;
/* rgb */ color: rgb(19, 60, 126);
/* oklch */ color: oklch(36.9% 0.121 259.8);
Tailwind
colors: {
  custom: {
    50: '#6571a4',
    500: '#133c7e',
    950: '#000000',
  },
}
SCSS
$custom: #133c7e;
$custom-light: #6571a4;
$custom-dark: #000000;
JSON
{
  "hex": "#133c7e",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 126
  },
  "hsl": {
    "h": 217.009,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36937,
    "c": 0.12097,
    "h": 259.8
  },
  "luminance": 0.04877
}

Semantic roles & 50–950 ramp

primary
#133C7E
secondary
#B48539
accent
#AA37F0
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#06070F
muted
#7A7A7F

Preview Lab

Preview with #133C7E

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

Preview Lab → · Contrast checker → · Palette generator →

#133C7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva