#1D2689#1D2689

#1D2689 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.9% C 0.161 H 270.4°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D2689
RGB	rgb(29, 38, 137)
HSL	hsl(235, 65%, 33%)
HSV	hsv(235, 79%, 54%)
CMYK	cmyk(78.8%, 72.3%, 0%, 46.3%)
CIE-LAB	lab(21.77, 33.05, -55.73)
CIE-LCH	lch(21.77, 64.79, 300.67°)
OKLab	oklab(33.92% 0.0011 -0.1614)
OKLCH	oklch(33.92% 0.161 270.4)
XYZ	xyz(5.7136, 3.4530, 24.0274)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2689 #89801D

analogous

#1D5C89 #1D2689 #4A1D89

triadic

#1D2689 #891D26 #26891D

tetradic

#1D2689 #891D5C #89801D #1D894A

square

#1D2689 #891D5C #89801D #1D894A

split-complementary

#1D2689 #894A1D #5C891D

monochromatic

#080A24 #121856 #1D2689 #2834BC #4854D8

Accessibility & contrast

On white

12.42

#1D2689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D2689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2689

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2689	#FFFFFF	#000000	##FFFFFF
##1D2689	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398C

Deuteranopia (green-blind)

#002F87

Tritanopia (blue-blind)

#004254

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2689;
/* rgb */ color: rgb(29, 38, 137);
/* oklch */ color: oklch(33.9% 0.161 270.4);

Tailwind

colors: {
  custom: {
    50: '#6d61ac',
    500: '#1d2689',
    950: '#000000',
  },
}

SCSS

$custom: #1d2689;
$custom-light: #6d61ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2689",
  "rgb": {
    "r": 29,
    "g": 38,
    "b": 137
  },
  "hsl": {
    "h": 235,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33924,
    "c": 0.16136,
    "h": 270.4
  },
  "luminance": 0.03454
}

Semantic roles & 50–950 ramp

primary

#1D2689

secondary

#BAB147

accent

#DA40E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2689

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

Preview Lab → · Contrast checker → · Palette generator →