#1D3A96#1D3A96

#1D3A96 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.155 H 265.9°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#1D3A96
RGB	rgb(29, 58, 150)
HSL	hsl(226, 68%, 35%)
HSV	hsv(226, 81%, 59%)
CMYK	cmyk(80.7%, 61.3%, 0%, 41.2%)
CIE-LAB	lab(28.08, 24.66, -53.42)
CIE-LCH	lch(28.08, 58.84, 294.78°)
OKLab	oklab(38.93% -0.0111 -0.1545)
OKLCH	oklch(38.93% 0.155 265.9)
XYZ	xyz(7.5228, 5.4885, 29.5111)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3A96 #96791D

analogous

#1D7696 #1D3A96 #3D1D96

triadic

#1D3A96 #961D3A #3A961D

tetradic

#1D3A96 #961D76 #96791D #1D963D

square

#1D3A96 #961D76 #96791D #1D963D

split-complementary

#1D3A96 #963D1D #76961D

monochromatic

#09122F #132663 #1D3A96 #274EC9 #5072DD

Accessibility & contrast

On white

10.01

#1D3A96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1D3A96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3A96

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3A96	#FFFFFF	#000000	##FFFFFF
##1D3A96	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004899

Deuteranopia (green-blind)

#003D94

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d3a96;
/* rgb */ color: rgb(29, 58, 150);
/* oklch */ color: oklch(38.9% 0.155 265.9);

Tailwind

colors: {
  custom: {
    50: '#6e6fb6',
    500: '#1d3a96',
    950: '#000000',
  },
}

SCSS

$custom: #1d3a96;
$custom-light: #6e6fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3a96",
  "rgb": {
    "r": 29,
    "g": 58,
    "b": 150
  },
  "hsl": {
    "h": 225.62,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38929,
    "c": 0.15486,
    "h": 265.9
  },
  "luminance": 0.05489
}

Semantic roles & 50–950 ramp

primary

#1D3A96

secondary

#C0A54F

accent

#C13DEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3A96

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

Preview Lab → · Contrast checker → · Palette generator →