#1D2B82#1D2B82

#1D2B82 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.1% C 0.146 H 269.6°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B82
RGB	rgb(29, 43, 130)
HSL	hsl(232, 64%, 31%)
HSV	hsv(232, 78%, 51%)
CMYK	cmyk(77.7%, 66.9%, 0%, 49%)
CIE-LAB	lab(22.30, 27.10, -50.47)
CIE-LCH	lch(22.30, 57.28, 298.23°)
OKLab	oklab(34.1% -0.0011 -0.146)
OKLCH	oklch(34.1% 0.146 269.6)
XYZ	xyz(5.3985, 3.6001, 21.5251)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B82 #82741D

analogous

#1D5D82 #1D2B82 #411D82

triadic

#1D2B82 #821D2B #2B821D

tetradic

#1D2B82 #821D5D #82741D #1D8241

square

#1D2B82 #821D5D #82741D #1D8241

split-complementary

#1D2B82 #82411D #5D821D

monochromatic

#070A1E #121A50 #1D2B82 #283CB4 #4458D5

Accessibility & contrast

On white

12.21

#1D2B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1D2B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B82

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B82	#FFFFFF	#000000	##FFFFFF
##1D2B82	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A85

Deuteranopia (green-blind)

#003180

Tritanopia (blue-blind)

#004252

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2b82;
/* rgb */ color: rgb(29, 43, 130);
/* oklch */ color: oklch(34.1% 0.146 269.6);

Tailwind

colors: {
  custom: {
    50: '#6a64a7',
    500: '#1d2b82',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b82;
$custom-light: #6a64a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b82",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 130
  },
  "hsl": {
    "h": 231.683,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34096,
    "c": 0.14597,
    "h": 269.6
  },
  "luminance": 0.03601
}

Semantic roles & 50–950 ramp

primary

#1D2B82

secondary

#B5A646

accent

#D041E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1D2B82

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

Preview Lab → · Contrast checker → · Palette generator →