#1D2AA0#1D2AA0

#1D2AA0 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.1% C 0.187 H 268.9°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#1D2AA0
RGB	rgb(29, 42, 160)
HSL	hsl(234, 69%, 37%)
HSV	hsv(234, 82%, 63%)
CMYK	cmyk(81.9%, 73.8%, 0%, 37.3%)
CIE-LAB	lab(25.12, 38.90, -64.40)
CIE-LCH	lch(25.12, 75.23, 301.13°)
OKLab	oklab(37.06% -0.0036 -0.1866)
OKLCH	oklch(37.06% 0.187 268.9)
XYZ	xyz(7.6776, 4.4543, 33.7060)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2AA0 #A0931D

analogous

#1D6CA0 #1D2AA0 #521DA0

triadic

#1D2AA0 #A01D2A #2AA01D

tetradic

#1D2AA0 #A01D6C #A0931D #1DA052

square

#1D2AA0 #A01D6C #A0931D #1DA052

split-complementary

#1D2AA0 #A0521D #6CA01D

monochromatic

#0A0F38 #141C6C #1D2AA0 #2638D4 #5765E1

Accessibility & contrast

On white

11.11

#1D2AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1D2AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2AA0

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2AA0	#FFFFFF	#000000	##FFFFFF
##1D2AA0	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A3

Deuteranopia (green-blind)

#00359E

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1d2aa0;
/* rgb */ color: rgb(29, 42, 160);
/* oklch */ color: oklch(37.1% 0.187 268.9);

Tailwind

colors: {
  custom: {
    50: '#7264bd',
    500: '#1d2aa0',
    950: '#000000',
  },
}

SCSS

$custom: #1d2aa0;
$custom-light: #7264bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2aa0",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 160
  },
  "hsl": {
    "h": 234.046,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37056,
    "c": 0.18662,
    "h": 268.9
  },
  "luminance": 0.04455
}

Semantic roles & 50–950 ramp

primary

#1D2AA0

secondary

#C4B955

accent

#DB3CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #1D2AA0

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

Preview Lab → · Contrast checker → · Palette generator →