#1D2A8E#1D2A8E

#1D2A8E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.1% C 0.163 H 269.5°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A8E
RGB	rgb(29, 42, 142)
HSL	hsl(233, 66%, 34%)
HSV	hsv(233, 80%, 56%)
CMYK	cmyk(79.6%, 70.4%, 0%, 44.3%)
CIE-LAB	lab(23.23, 32.33, -56.44)
CIE-LCH	lch(23.23, 65.04, 299.80°)
OKLab	oklab(35.14% -0.0015 -0.1634)
OKLCH	oklch(35.14% 0.163 269.5)
XYZ	xyz(6.2155, 3.8694, 26.0052)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A8E #8E811D

analogous

#1D628E #1D2A8E #481D8E

triadic

#1D2A8E #8E1D2A #2A8E1D

tetradic

#1D2A8E #8E1D62 #8E811D #1D8E48

square

#1D2A8E #8E1D62 #8E811D #1D8E48

split-complementary

#1D2A8E #8E481D #628E1D

monochromatic

#080C28 #131B5B #1D2A8E #2739C1 #4B5CDA

Accessibility & contrast

On white

11.84

#1D2A8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1D2A8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A8E

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A8E	#FFFFFF	#000000	##FFFFFF
##1D2A8E	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d2a8e;
/* rgb */ color: rgb(29, 42, 142);
/* oklch */ color: oklch(35.1% 0.163 269.5);

Tailwind

colors: {
  custom: {
    50: '#6e64b0',
    500: '#1d2a8e',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a8e;
$custom-light: #6e64b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a8e",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 142
  },
  "hsl": {
    "h": 233.097,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35135,
    "c": 0.16343,
    "h": 269.5
  },
  "luminance": 0.0387
}

Semantic roles & 50–950 ramp

primary

#1D2A8E

secondary

#BDAF4A

accent

#D53FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #1D2A8E

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

Preview Lab → · Contrast checker → · Palette generator →