#1D2B70#1D2B70

#1D2B70 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.4% C 0.120 H 269.7°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B70
RGB	rgb(29, 43, 112)
HSL	hsl(230, 59%, 28%)
HSV	hsv(230, 74%, 44%)
CMYK	cmyk(74.1%, 61.6%, 0%, 56.1%)
CIE-LAB	lab(20.67, 20.03, -41.68)
CIE-LCH	lch(20.67, 46.24, 295.67°)
OKLab	oklab(32.38% -0.0007 -0.1202)
OKLCH	oklch(32.38% 0.12 269.7)
XYZ	xyz(4.2942, 3.1584, 15.7094)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B70 #70621D

analogous

#1D5470 #1D2B70 #391D70

triadic

#1D2B70 #701D2B #2B701D

tetradic

#1D2B70 #701D54 #70621D #1D7039

square

#1D2B70 #701D54 #70621D #1D7039

split-complementary

#1D2B70 #70391D #54701D

monochromatic

#060918 #10183F #1D2B70 #2A3EA1 #3B54CC

Accessibility & contrast

On white

12.87

#1D2B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1D2B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B70

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B70	#FFFFFF	#000000	##FFFFFF
##1D2B70	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003672

Deuteranopia (green-blind)

#002E6F

Tritanopia (blue-blind)

#003C49

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d2b70;
/* rgb */ color: rgb(29, 43, 112);
/* oklch */ color: oklch(32.4% 0.120 269.7);

Tailwind

colors: {
  custom: {
    50: '#66649a',
    500: '#1d2b70',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b70;
$custom-light: #66649a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b70",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 112
  },
  "hsl": {
    "h": 229.88,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.32381,
    "c": 0.12019,
    "h": 269.7
  },
  "luminance": 0.03159
}

Semantic roles & 50–950 ramp

primary

#1D2B70

secondary

#A49444

accent

#C846E2

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1D2B70

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

Preview Lab → · Contrast checker → · Palette generator →