#1D2283#1D2283

#1D2283 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.6% C 0.158 H 271.4°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#1D2283
RGB	rgb(29, 34, 131)
HSL	hsl(237, 64%, 31%)
HSV	hsv(237, 78%, 51%)
CMYK	cmyk(77.9%, 74%, 0%, 48.6%)
CIE-LAB	lab(20.22, 33.39, -54.53)
CIE-LCH	lch(20.22, 63.94, 301.48°)
OKLab	oklab(32.61% 0.004 -0.1578)
OKLCH	oklch(32.61% 0.158 271.4)
XYZ	xyz(5.1741, 3.0434, 21.7831)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2283 #837E1D

analogous

#1D5583 #1D2283 #4B1D83

triadic

#1D2283 #831D22 #22831D

tetradic

#1D2283 #831D55 #837E1D #1D834B

square

#1D2283 #831D55 #837E1D #1D834B

split-complementary

#1D2283 #834B1D #55831D

monochromatic

#07081F #121551 #1D2283 #282FB5 #454CD6

Accessibility & contrast

On white

13.05

#1D2283 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1D2283 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2283

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2283	#FFFFFF	#000000	##FFFFFF
##1D2283	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003686

Deuteranopia (green-blind)

#002C81

Tritanopia (blue-blind)

#003E50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d2283;
/* rgb */ color: rgb(29, 34, 131);
/* oklch */ color: oklch(32.6% 0.158 271.4);

Tailwind

colors: {
  custom: {
    50: '#6b5ea8',
    500: '#1d2283',
    950: '#000000',
  },
}

SCSS

$custom: #1d2283;
$custom-light: #6b5ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2283",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 131
  },
  "hsl": {
    "h": 237.059,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32614,
    "c": 0.15789,
    "h": 271.4
  },
  "luminance": 0.03044
}

Semantic roles & 50–950 ramp

primary

#1D2283

secondary

#B6B146

accent

#DF41E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D2283

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

Preview Lab → · Contrast checker → · Palette generator →