#1D2B77#1D2B77

#1D2B77 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.130 H 269.7°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B77
RGB	rgb(29, 43, 119)
HSL	hsl(231, 61%, 29%)
HSV	hsv(231, 76%, 47%)
CMYK	cmyk(75.6%, 63.9%, 0%, 53.3%)
CIE-LAB	lab(21.28, 22.81, -45.16)
CIE-LCH	lch(21.28, 50.59, 296.79°)
OKLab	oklab(33.03% -0.0007 -0.1304)
OKLCH	oklch(33.03% 0.13 269.7)
XYZ	xyz(4.6992, 3.3204, 17.8424)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B77 #77691D

analogous

#1D5877 #1D2B77 #3C1D77

triadic

#1D2B77 #771D2B #2B771D

tetradic

#1D2B77 #771D58 #77691D #1D773C

square

#1D2B77 #771D58 #77691D #1D773C

split-complementary

#1D2B77 #773C1D #58771D

monochromatic

#060919 #111946 #1D2B77 #293DA8 #3E55D0

Accessibility & contrast

On white

12.62

#1D2B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1D2B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B77

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B77	#FFFFFF	#000000	##FFFFFF
##1D2B77	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003779

Deuteranopia (green-blind)

#002F76

Tritanopia (blue-blind)

#003E4C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2b77;
/* rgb */ color: rgb(29, 43, 119);
/* oklch */ color: oklch(33.0% 0.130 269.7);

Tailwind

colors: {
  custom: {
    50: '#67649f',
    500: '#1d2b77',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b77;
$custom-light: #67649f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b77",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 119
  },
  "hsl": {
    "h": 230.667,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33031,
    "c": 0.13042,
    "h": 269.7
  },
  "luminance": 0.03321
}

Semantic roles & 50–950 ramp

primary

#1D2B77

secondary

#AB9B45

accent

#CB44E4

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2B77

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

Preview Lab → · Contrast checker → · Palette generator →