#1D2A9A#1D2A9A

#1D2A9A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.4% C 0.179 H 269.1°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A9A
RGB	rgb(29, 42, 154)
HSL	hsl(234, 68%, 36%)
HSV	hsv(234, 81%, 60%)
CMYK	cmyk(81.2%, 72.7%, 0%, 39.6%)
CIE-LAB	lab(24.48, 36.74, -61.79)
CIE-LCH	lch(24.48, 71.89, 300.74°)
OKLab	oklab(36.41% -0.0028 -0.179)
OKLCH	oklch(36.41% 0.179 269.1)
XYZ	xyz(7.1654, 4.2494, 31.0082)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A9A #9A8D1D

analogous

#1D689A #1D2A9A #4E1D9A

triadic

#1D2A9A #9A1D2A #2A9A1D

tetradic

#1D2A9A #9A1D68 #9A8D1D #1D9A4E

square

#1D2A9A #9A1D68 #9A8D1D #1D9A4E

split-complementary

#1D2A9A #9A4E1D #689A1D

monochromatic

#0A0E33 #131C66 #1D2A9A #2738CE #5361DF

Accessibility & contrast

On white

11.35

#1D2A9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1D2A9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A9A

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A9A	#FFFFFF	#000000	##FFFFFF
##1D2A9A	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409D

Deuteranopia (green-blind)

#003498

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d2a9a;
/* rgb */ color: rgb(29, 42, 154);
/* oklch */ color: oklch(36.4% 0.179 269.1);

Tailwind

colors: {
  custom: {
    50: '#7164b9',
    500: '#1d2a9a',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a9a;
$custom-light: #7164b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a9a",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 154
  },
  "hsl": {
    "h": 233.76,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36406,
    "c": 0.17903,
    "h": 269.1
  },
  "luminance": 0.0425
}

Semantic roles & 50–950 ramp

primary

#1D2A9A

secondary

#C2B651

accent

#D93DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #1D2A9A

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

Preview Lab → · Contrast checker → · Palette generator →