#1D3B96#1D3B96

#1D3B96 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.154 H 265.6°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#1D3B96
RGB	rgb(29, 59, 150)
HSL	hsl(225, 68%, 35%)
HSV	hsv(225, 81%, 59%)
CMYK	cmyk(80.7%, 60.7%, 0%, 41.2%)
CIE-LAB	lab(28.35, 23.98, -52.98)
CIE-LCH	lch(28.35, 58.16, 294.35°)
OKLab	oklab(39.13% -0.0118 -0.1531)
OKLCH	oklch(39.13% 0.154 265.6)
XYZ	xyz(7.5737, 5.5903, 29.5281)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3B96 #96781D

analogous

#1D7796 #1D3B96 #3B1D96

triadic

#1D3B96 #961D3B #3B961D

tetradic

#1D3B96 #961D77 #96781D #1D963B

square

#1D3B96 #961D77 #96781D #1D963B

split-complementary

#1D3B96 #963B1D #77961D

monochromatic

#09132F #132763 #1D3B96 #274FC9 #5073DD

Accessibility & contrast

On white

9.91

#1D3B96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1D3B96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3B96

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3B96	#FFFFFF	#000000	##FFFFFF
##1D3B96	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004999

Deuteranopia (green-blind)

#003D94

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d3b96;
/* rgb */ color: rgb(29, 59, 150);
/* oklch */ color: oklch(39.1% 0.154 265.6);

Tailwind

colors: {
  custom: {
    50: '#6e70b6',
    500: '#1d3b96',
    950: '#000000',
  },
}

SCSS

$custom: #1d3b96;
$custom-light: #6e70b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3b96",
  "rgb": {
    "r": 29,
    "g": 59,
    "b": 150
  },
  "hsl": {
    "h": 225.124,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39132,
    "c": 0.1536,
    "h": 265.6
  },
  "luminance": 0.05591
}

Semantic roles & 50–950 ramp

primary

#1D3B96

secondary

#C0A44F

accent

#C03DEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3B96

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

Preview Lab → · Contrast checker → · Palette generator →