#1D2D79#1D2D79

#1D2D79 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.131 H 269.0°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D79
RGB	rgb(29, 45, 121)
HSL	hsl(230, 61%, 29%)
HSV	hsv(230, 76%, 47%)
CMYK	cmyk(76%, 62.8%, 0%, 52.5%)
CIE-LAB	lab(22.01, 22.20, -45.25)
CIE-LCH	lch(22.01, 50.40, 296.13°)
OKLab	oklab(33.62% -0.0023 -0.1307)
OKLCH	oklch(33.62% 0.131 269)
XYZ	xyz(4.8951, 3.5179, 18.5065)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D79 #79691D

analogous

#1D5B79 #1D2D79 #3B1D79

triadic

#1D2D79 #791D2D #2D791D

tetradic

#1D2D79 #791D5B #79691D #1D793B

square

#1D2D79 #791D5B #79691D #1D793B

split-complementary

#1D2D79 #793B1D #5B791D

monochromatic

#060919 #111B48 #1D2D79 #293FAA #3F59D1

Accessibility & contrast

On white

12.33

#1D2D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D2D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D79

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D79	#FFFFFF	#000000	##FFFFFF
##1D2D79	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397C

Deuteranopia (green-blind)

#003178

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2d79;
/* rgb */ color: rgb(29, 45, 121);
/* oklch */ color: oklch(33.6% 0.131 269.0);

Tailwind

colors: {
  custom: {
    50: '#6865a0',
    500: '#1d2d79',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d79;
$custom-light: #6865a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d79",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 121
  },
  "hsl": {
    "h": 229.565,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33624,
    "c": 0.13068,
    "h": 269
  },
  "luminance": 0.03518
}

Semantic roles & 50–950 ramp

primary

#1D2D79

secondary

#AD9B45

accent

#C843E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #1D2D79

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

Preview Lab → · Contrast checker → · Palette generator →