#1D3395#1D3395

#1D3395 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.162 H 267.6°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#1D3395
RGB	rgb(29, 51, 149)
HSL	hsl(229, 67%, 35%)
HSV	hsv(229, 81%, 58%)
CMYK	cmyk(80.5%, 65.8%, 0%, 41.6%)
CIE-LAB	lab(26.15, 29.02, -55.97)
CIE-LCH	lch(26.15, 63.05, 297.41°)
OKLab	oklab(37.47% -0.0069 -0.162)
OKLCH	oklch(37.47% 0.162 267.6)
XYZ	xyz(7.1134, 4.7980, 28.9791)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3395 #957F1D

analogous

#1D6F95 #1D3395 #431D95

triadic

#1D3395 #951D33 #33951D

tetradic

#1D3395 #951D6F #957F1D #1D9543

square

#1D3395 #951D6F #957F1D #1D9543

split-complementary

#1D3395 #95431D #6F951D

monochromatic

#09102F #132162 #1D3395 #2745C8 #5069DD

Accessibility & contrast

On white

10.72

#1D3395 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1D3395 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3395

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3395	#FFFFFF	#000000	##FFFFFF
##1D3395	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004498

Deuteranopia (green-blind)

#003893

Tritanopia (blue-blind)

#004D5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d3395;
/* rgb */ color: rgb(29, 51, 149);
/* oklch */ color: oklch(37.5% 0.162 267.6);

Tailwind

colors: {
  custom: {
    50: '#6f6ab5',
    500: '#1d3395',
    950: '#000000',
  },
}

SCSS

$custom: #1d3395;
$custom-light: #6f6ab5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3395",
  "rgb": {
    "r": 29,
    "g": 51,
    "b": 149
  },
  "hsl": {
    "h": 229,
    "s": 67.416,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37471,
    "c": 0.16216,
    "h": 267.6
  },
  "luminance": 0.04799
}

Semantic roles & 50–950 ramp

primary

#1D3395

secondary

#C0AB4E

accent

#CB3DEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1D3395

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

Preview Lab → · Contrast checker → · Palette generator →