#1D2A8D#1D2A8D

#1D2A8D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.0% C 0.162 H 269.5°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A8D
RGB	rgb(29, 42, 141)
HSL	hsl(233, 66%, 33%)
HSV	hsv(233, 79%, 55%)
CMYK	cmyk(79.4%, 70.2%, 0%, 44.7%)
CIE-LAB	lab(23.13, 31.95, -55.99)
CIE-LCH	lch(23.13, 64.46, 299.71°)
OKLab	oklab(35.03% -0.0014 -0.1621)
OKLCH	oklch(35.03% 0.162 269.5)
XYZ	xyz(6.1407, 3.8395, 25.6116)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A8D #8D801D

analogous

#1D628D #1D2A8D #481D8D

triadic

#1D2A8D #8D1D2A #2A8D1D

tetradic

#1D2A8D #8D1D62 #8D801D #1D8D48

square

#1D2A8D #8D1D62 #8D801D #1D8D48

split-complementary

#1D2A8D #8D481D #628D1D

monochromatic

#080C27 #131B5A #1D2A8D #2739C0 #4B5BDA

Accessibility & contrast

On white

11.88

#1D2A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1D2A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A8D

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A8D	#FFFFFF	#000000	##FFFFFF
##1D2A8D	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d2a8d;
/* rgb */ color: rgb(29, 42, 141);
/* oklch */ color: oklch(35.0% 0.162 269.5);

Tailwind

colors: {
  custom: {
    50: '#6d64af',
    500: '#1d2a8d',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a8d;
$custom-light: #6d64af;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a8d",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 141
  },
  "hsl": {
    "h": 233.036,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35031,
    "c": 0.16211,
    "h": 269.5
  },
  "luminance": 0.0384
}

Semantic roles & 50–950 ramp

primary

#1D2A8D

secondary

#BCAF4A

accent

#D53FE9

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#080511

muted

#7B7980

Preview Lab

Preview with #1D2A8D

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

Preview Lab → · Contrast checker → · Palette generator →