#1D2F79#1D2F79

#1D2F79 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.0% C 0.128 H 268.3°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F79
RGB	rgb(29, 47, 121)
HSL	hsl(228, 61%, 29%)
HSV	hsv(228, 76%, 47%)
CMYK	cmyk(76%, 61.2%, 0%, 52.5%)
CIE-LAB	lab(22.56, 20.79, -44.35)
CIE-LCH	lch(22.56, 48.98, 295.12°)
OKLab	oklab(34.04% -0.0038 -0.128)
OKLCH	oklch(34.04% 0.128 268.3)
XYZ	xyz(4.9732, 3.6742, 18.5325)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F79 #79671D

analogous

#1D5D79 #1D2F79 #391D79

triadic

#1D2F79 #791D2F #2F791D

tetradic

#1D2F79 #791D5D #79671D #1D7939

square

#1D2F79 #791D5D #79671D #1D7939

split-complementary

#1D2F79 #79391D #5D791D

monochromatic

#060A19 #111C48 #1D2F79 #2942AA #3F5CD1

Accessibility & contrast

On white

12.10

#1D2F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1D2F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F79

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F79	#FFFFFF	#000000	##FFFFFF
##1D2F79	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7B

Deuteranopia (green-blind)

#003278

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2f79;
/* rgb */ color: rgb(29, 47, 121);
/* oklch */ color: oklch(34.0% 0.128 268.3);

Tailwind

colors: {
  custom: {
    50: '#6867a0',
    500: '#1d2f79',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f79;
$custom-light: #6867a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f79",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 121
  },
  "hsl": {
    "h": 228.261,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34037,
    "c": 0.12804,
    "h": 268.3
  },
  "luminance": 0.03675
}

Semantic roles & 50–950 ramp

primary

#1D2F79

secondary

#AD9845

accent

#C543E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #1D2F79

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

Preview Lab → · Contrast checker → · Palette generator →