#1D2B76#1D2B76

#1D2B76 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.9% C 0.129 H 269.7°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B76
RGB	rgb(29, 43, 118)
HSL	hsl(231, 61%, 29%)
HSV	hsv(231, 75%, 46%)
CMYK	cmyk(75.4%, 63.6%, 0%, 53.7%)
CIE-LAB	lab(21.19, 22.41, -44.67)
CIE-LCH	lch(21.19, 49.98, 296.64°)
OKLab	oklab(32.94% -0.0007 -0.129)
OKLCH	oklch(32.94% 0.129 269.7)
XYZ	xyz(4.6395, 3.2965, 17.5278)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B76 #76681D

analogous

#1D5876 #1D2B76 #3C1D76

triadic

#1D2B76 #761D2B #2B761D

tetradic

#1D2B76 #761D58 #76681D #1D763C

square

#1D2B76 #761D58 #76681D #1D763C

split-complementary

#1D2B76 #763C1D #58761D

monochromatic

#060919 #111945 #1D2B76 #293DA7 #3E55D0

Accessibility & contrast

On white

12.66

#1D2B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1D2B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B76

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B76	#FFFFFF	#000000	##FFFFFF
##1D2B76	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003778

Deuteranopia (green-blind)

#002F75

Tritanopia (blue-blind)

#003E4C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2b76;
/* rgb */ color: rgb(29, 43, 118);
/* oklch */ color: oklch(32.9% 0.129 269.7);

Tailwind

colors: {
  custom: {
    50: '#67649e',
    500: '#1d2b76',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b76;
$custom-light: #67649e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b76",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 118
  },
  "hsl": {
    "h": 230.562,
    "s": 60.544,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32937,
    "c": 0.12897,
    "h": 269.7
  },
  "luminance": 0.03297
}

Semantic roles & 50–950 ramp

primary

#1D2B76

secondary

#AA9A45

accent

#CB44E4

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2B76

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

Preview Lab → · Contrast checker → · Palette generator →