#1D3485#1D3485

#1D3485 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.2% C 0.139 H 267.0°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#1D3485
RGB	rgb(29, 52, 133)
HSL	hsl(227, 64%, 32%)
HSV	hsv(227, 78%, 52%)
CMYK	cmyk(78.2%, 60.9%, 0%, 47.8%)
CIE-LAB	lab(24.98, 22.07, -47.97)
CIE-LCH	lch(24.98, 52.80, 294.70°)
OKLab	oklab(36.16% -0.0074 -0.1385)
OKLCH	oklch(36.16% 0.139 267)
XYZ	xyz(5.9668, 4.4100, 22.7225)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3485 #856E1D

analogous

#1D6885 #1D3485 #3A1D85

triadic

#1D3485 #851D34 #34851D

tetradic

#1D3485 #851D68 #856E1D #1D853A

square

#1D3485 #851D68 #856E1D #1D853A

split-complementary

#1D3485 #853A1D #68851D

monochromatic

#070D21 #122053 #1D3485 #2848B7 #4666D7

Accessibility & contrast

On white

11.16

#1D3485 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1D3485 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3485

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3485	#FFFFFF	#000000	##FFFFFF
##1D3485	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004088

Deuteranopia (green-blind)

#003783

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d3485;
/* rgb */ color: rgb(29, 52, 133);
/* oklch */ color: oklch(36.2% 0.139 267.0);

Tailwind

colors: {
  custom: {
    50: '#6a6ba9',
    500: '#1d3485',
    950: '#000000',
  },
}

SCSS

$custom: #1d3485;
$custom-light: #6a6ba9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3485",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 133
  },
  "hsl": {
    "h": 226.731,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36163,
    "c": 0.13874,
    "h": 267
  },
  "luminance": 0.04411
}

Semantic roles & 50–950 ramp

primary

#1D3485

secondary

#B89F46

accent

#C241E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1D3485

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

Preview Lab → · Contrast checker → · Palette generator →