#1D2AA1#1D2AA1

#1D2AA1 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.188 H 268.9°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D2AA1
RGB	rgb(29, 42, 161)
HSL	hsl(234, 69%, 37%)
HSV	hsv(234, 82%, 63%)
CMYK	cmyk(82%, 73.9%, 0%, 36.9%)
CIE-LAB	lab(25.23, 39.26, -64.83)
CIE-LCH	lch(25.23, 75.79, 301.20°)
OKLab	oklab(37.17% -0.0037 -0.1878)
OKLCH	oklch(37.17% 0.188 268.9)
XYZ	xyz(7.7655, 4.4894, 34.1686)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2AA1 #A1941D

analogous

#1D6CA1 #1D2AA1 #521DA1

triadic

#1D2AA1 #A11D2A #2AA11D

tetradic

#1D2AA1 #A11D6C #A1941D #1DA152

square

#1D2AA1 #A11D6C #A1941D #1DA152

split-complementary

#1D2AA1 #A1521D #6CA11D

monochromatic

#0A0F39 #141C6D #1D2AA1 #2638D5 #5865E1

Accessibility & contrast

On white

11.06

#1D2AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1D2AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2AA1

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2AA1	#FFFFFF	#000000	##FFFFFF
##1D2AA1	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1d2aa1;
/* rgb */ color: rgb(29, 42, 161);
/* oklch */ color: oklch(37.2% 0.188 268.9);

Tailwind

colors: {
  custom: {
    50: '#7364be',
    500: '#1d2aa1',
    950: '#000000',
  },
}

SCSS

$custom: #1d2aa1;
$custom-light: #7364be;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2aa1",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 161
  },
  "hsl": {
    "h": 234.091,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37165,
    "c": 0.18788,
    "h": 268.9
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary

#1D2AA1

secondary

#C4B955

accent

#DB3CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #1D2AA1

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

Preview Lab → · Contrast checker → · Palette generator →