#133E8E#133E8E

#133E8E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.141 H 261.4°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#133E8E
RGB	rgb(19, 62, 142)
HSL	hsl(219, 76%, 32%)
HSV	hsv(219, 87%, 56%)
CMYK	cmyk(86.6%, 56.3%, 0%, 44.3%)
CIE-LAB	lab(28.21, 17.74, -48.32)
CIE-LCH	lch(28.21, 51.47, 290.16°)
OKLab	oklab(38.72% -0.021 -0.1395)
OKLCH	oklch(38.72% 0.141 261.4)
XYZ	xyz(6.8719, 5.5358, 26.2923)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E8E #8E6313

analogous

#137C8E #133E8E #25138E

triadic

#133E8E #8E133E #3E8E13

tetradic

#133E8E #8E137C #8E6313 #138E25

square

#133E8E #8E137C #8E6313 #138E25

split-complementary

#133E8E #8E2513 #7C8E13

monochromatic

#050F22 #0C2658 #133E8E #1A56C4 #3774E4

Accessibility & contrast

On white

9.96

#133E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#133E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E8E

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E8E	#FFFFFF	#000000	##FFFFFF
##133E8E	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004891

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #133e8e;
/* rgb */ color: rgb(19, 62, 142);
/* oklch */ color: oklch(38.7% 0.141 261.4);

Tailwind

colors: {
  custom: {
    50: '#6972b0',
    500: '#133e8e',
    950: '#000000',
  },
}

SCSS

$custom: #133e8e;
$custom-light: #6972b0;
$custom-dark: #000000;

JSON

{
  "hex": "#133e8e",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 142
  },
  "hsl": {
    "h": 219.024,
    "s": 76.398,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38724,
    "c": 0.14112,
    "h": 261.4
  },
  "luminance": 0.05537
}

Semantic roles & 50–950 ramp

primary

#133E8E

secondary

#C2933B

accent

#B035F3

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #133E8E

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

Preview Lab → · Contrast checker → · Palette generator →