#1D2C78#1D2C78

#1D2C78 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.3% C 0.131 H 269.3°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C78
RGB	rgb(29, 44, 120)
HSL	hsl(230, 61%, 29%)
HSV	hsv(230, 76%, 47%)
CMYK	cmyk(75.8%, 63.3%, 0%, 52.9%)
CIE-LAB	lab(21.65, 22.50, -45.21)
CIE-LCH	lch(21.65, 50.50, 296.46°)
OKLab	oklab(33.33% -0.0015 -0.1305)
OKLCH	oklch(33.33% 0.131 269.3)
XYZ	xyz(4.7964, 3.4181, 18.1726)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C78 #78691D

analogous

#1D5A78 #1D2C78 #3C1D78

triadic

#1D2C78 #781D2C #2C781D

tetradic

#1D2C78 #781D5A #78691D #1D783C

square

#1D2C78 #781D5A #78691D #1D783C

split-complementary

#1D2C78 #783C1D #5A781D

monochromatic

#060919 #111A47 #1D2C78 #293EA9 #3F57D1

Accessibility & contrast

On white

12.47

#1D2C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D2C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C78

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C78	#FFFFFF	#000000	##FFFFFF
##1D2C78	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387A

Deuteranopia (green-blind)

#003077

Tritanopia (blue-blind)

#003F4D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2c78;
/* rgb */ color: rgb(29, 44, 120);
/* oklch */ color: oklch(33.3% 0.131 269.3);

Tailwind

colors: {
  custom: {
    50: '#6864a0',
    500: '#1d2c78',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c78;
$custom-light: #6864a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c78",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 120
  },
  "hsl": {
    "h": 230.11,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33327,
    "c": 0.13055,
    "h": 269.3
  },
  "luminance": 0.03419
}

Semantic roles & 50–950 ramp

primary

#1D2C78

secondary

#AC9B45

accent

#CA44E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #1D2C78

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

Preview Lab → · Contrast checker → · Palette generator →