#1D2679#1D2679

#1D2679 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.3% C 0.140 H 271.1°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#1D2679
RGB	rgb(29, 38, 121)
HSL	hsl(234, 61%, 29%)
HSV	hsv(234, 76%, 47%)
CMYK	cmyk(76%, 68.6%, 0%, 52.5%)
CIE-LAB	lab(20.15, 27.03, -48.29)
CIE-LCH	lch(20.15, 55.34, 299.24°)
OKLab	oklab(32.26% 0.0028 -0.1396)
OKLCH	oklch(32.26% 0.14 271.1)
XYZ	xyz(4.6498, 3.0274, 18.4248)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2679 #79701D

analogous

#1D5479 #1D2679 #421D79

triadic

#1D2679 #791D26 #26791D

tetradic

#1D2679 #791D54 #79701D #1D7942

square

#1D2679 #791D54 #79701D #1D7942

split-complementary

#1D2679 #79421D #54791D

monochromatic

#060819 #111648 #1D2679 #2936AA #3F4ED1

Accessibility & contrast

On white

13.08

#1D2679 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1D2679 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2679

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2679	#FFFFFF	#000000	##FFFFFF
##1D2679	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357C

Deuteranopia (green-blind)

#002C77

Tritanopia (blue-blind)

#003C4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d2679;
/* rgb */ color: rgb(29, 38, 121);
/* oklch */ color: oklch(32.3% 0.140 271.1);

Tailwind

colors: {
  custom: {
    50: '#6860a1',
    500: '#1d2679',
    950: '#000000',
  },
}

SCSS

$custom: #1d2679;
$custom-light: #6860a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2679",
  "rgb": {
    "r": 29,
    "g": 38,
    "b": 121
  },
  "hsl": {
    "h": 234.13,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32258,
    "c": 0.13965,
    "h": 271.1
  },
  "luminance": 0.03028
}

Semantic roles & 50–950 ramp

primary

#1D2679

secondary

#ADA345

accent

#D543E4

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D2679

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

Preview Lab → · Contrast checker → · Palette generator →