#1D2B80#1D2B80

#1D2B80 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.9% C 0.143 H 269.6°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B80
RGB	rgb(29, 43, 128)
HSL	hsl(232, 63%, 31%)
HSV	hsv(232, 77%, 50%)
CMYK	cmyk(77.3%, 66.4%, 0%, 49.8%)
CIE-LAB	lab(22.11, 26.33, -49.52)
CIE-LCH	lch(22.11, 56.08, 298.00°)
OKLab	oklab(33.9% -0.001 -0.1432)
OKLCH	oklch(33.9% 0.143 269.6)
XYZ	xyz(5.2655, 3.5469, 20.8250)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B80 #80721D

analogous

#1D5C80 #1D2B80 #401D80

triadic

#1D2B80 #801D2B #2B801D

tetradic

#1D2B80 #801D5C #80721D #1D8040

square

#1D2B80 #801D5C #80721D #1D8040

split-complementary

#1D2B80 #80401D #5C801D

monochromatic

#06091C #121A4E #1D2B80 #283CB2 #4358D4

Accessibility & contrast

On white

12.29

#1D2B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1D2B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B80

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B80	#FFFFFF	#000000	##FFFFFF
##1D2B80	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A83

Deuteranopia (green-blind)

#00307E

Tritanopia (blue-blind)

#004151

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2b80;
/* rgb */ color: rgb(29, 43, 128);
/* oklch */ color: oklch(33.9% 0.143 269.6);

Tailwind

colors: {
  custom: {
    50: '#6a64a6',
    500: '#1d2b80',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b80;
$custom-light: #6a64a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b80",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 128
  },
  "hsl": {
    "h": 231.515,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33899,
    "c": 0.14319,
    "h": 269.6
  },
  "luminance": 0.03547
}

Semantic roles & 50–950 ramp

primary

#1D2B80

secondary

#B3A445

accent

#CF42E6

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D2B80

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

Preview Lab → · Contrast checker → · Palette generator →