#1D2688#1D2688

#1D2688 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.8% C 0.160 H 270.4°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#1D2688
RGB	rgb(29, 38, 136)
HSL	hsl(235, 65%, 32%)
HSV	hsv(235, 79%, 53%)
CMYK	cmyk(78.7%, 72.1%, 0%, 46.7%)
CIE-LAB	lab(21.67, 32.68, -55.28)
CIE-LCH	lch(21.67, 64.22, 300.59°)
OKLab	oklab(33.82% 0.0012 -0.16)
OKLCH	oklch(33.82% 0.16 270.4)
XYZ	xyz(5.6422, 3.4244, 23.6514)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2688 #887F1D

analogous

#1D5C88 #1D2688 #491D88

triadic

#1D2688 #881D26 #26881D

tetradic

#1D2688 #881D5C #887F1D #1D8849

square

#1D2688 #881D5C #887F1D #1D8849

split-complementary

#1D2688 #88491D #5C881D

monochromatic

#070A23 #121856 #1D2688 #2834BA #4854D8

Accessibility & contrast

On white

12.46

#1D2688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D2688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2688

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2688	#FFFFFF	#000000	##FFFFFF
##1D2688	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398B

Deuteranopia (green-blind)

#002F86

Tritanopia (blue-blind)

#004154

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2688;
/* rgb */ color: rgb(29, 38, 136);
/* oklch */ color: oklch(33.8% 0.160 270.4);

Tailwind

colors: {
  custom: {
    50: '#6c61ac',
    500: '#1d2688',
    950: '#000000',
  },
}

SCSS

$custom: #1d2688;
$custom-light: #6c61ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2688",
  "rgb": {
    "r": 29,
    "g": 38,
    "b": 136
  },
  "hsl": {
    "h": 234.953,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33817,
    "c": 0.16003,
    "h": 270.4
  },
  "luminance": 0.03425
}

Semantic roles & 50–950 ramp

primary

#1D2688

secondary

#BAB047

accent

#DA40E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2688

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

Preview Lab → · Contrast checker → · Palette generator →