#1D2A72#1D2A72

#1D2A72 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.4% C 0.124 H 270.1°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A72
RGB	rgb(29, 42, 114)
HSL	hsl(231, 59%, 28%)
HSV	hsv(231, 75%, 45%)
CMYK	cmyk(74.6%, 63.2%, 0%, 55.3%)
CIE-LAB	lab(20.56, 21.53, -43.13)
CIE-LCH	lch(20.56, 48.21, 296.53°)
OKLab	oklab(32.36% 0.0001 -0.1245)
OKLCH	oklch(32.36% 0.124 270.1)
XYZ	xyz(4.3709, 3.1316, 16.2904)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A72 #72651D

analogous

#1D5472 #1D2A72 #3B1D72

triadic

#1D2A72 #721D2A #2A721D

tetradic

#1D2A72 #721D54 #72651D #1D723B

square

#1D2A72 #721D54 #72651D #1D723B

split-complementary

#1D2A72 #723B1D #54721D

monochromatic

#060918 #111841 #1D2A72 #293CA3 #3C52CD

Accessibility & contrast

On white

12.91

#1D2A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1D2A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A72

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A72	#FFFFFF	#000000	##FFFFFF
##1D2A72	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003674

Deuteranopia (green-blind)

#002E71

Tritanopia (blue-blind)

#003C49

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d2a72;
/* rgb */ color: rgb(29, 42, 114);
/* oklch */ color: oklch(32.4% 0.124 270.1);

Tailwind

colors: {
  custom: {
    50: '#66639b',
    500: '#1d2a72',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a72;
$custom-light: #66639b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a72",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 114
  },
  "hsl": {
    "h": 230.824,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.32359,
    "c": 0.12448,
    "h": 270.1
  },
  "luminance": 0.03132
}

Semantic roles & 50–950 ramp

primary

#1D2A72

secondary

#A69745

accent

#CB45E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2A72

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

Preview Lab → · Contrast checker → · Palette generator →