#1D2E8E#1D2E8E

#1D2E8E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.159 H 268.7°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#1D2E8E
RGB	rgb(29, 46, 142)
HSL	hsl(231, 66%, 34%)
HSV	hsv(231, 80%, 56%)
CMYK	cmyk(79.6%, 67.6%, 0%, 44.3%)
CIE-LAB	lab(24.22, 29.69, -54.83)
CIE-LCH	lch(24.22, 62.35, 298.43°)
OKLab	oklab(35.85% -0.0037 -0.1587)
OKLCH	oklch(35.85% 0.159 268.7)
XYZ	xyz(6.3645, 4.1675, 26.0549)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2E8E #8E7D1D

analogous

#1D668E #1D2E8E #441D8E

triadic

#1D2E8E #8E1D2E #2E8E1D

tetradic

#1D2E8E #8E1D66 #8E7D1D #1D8E44

square

#1D2E8E #8E1D66 #8E7D1D #1D8E44

split-complementary

#1D2E8E #8E441D #668E1D

monochromatic

#080D28 #131E5B #1D2E8E #273EC1 #4B61DA

Accessibility & contrast

On white

11.45

#1D2E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1D2E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2E8E

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2E8E	#FFFFFF	#000000	##FFFFFF
##1D2E8E	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00348C

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d2e8e;
/* rgb */ color: rgb(29, 46, 142);
/* oklch */ color: oklch(35.9% 0.159 268.7);

Tailwind

colors: {
  custom: {
    50: '#6d66b0',
    500: '#1d2e8e',
    950: '#000000',
  },
}

SCSS

$custom: #1d2e8e;
$custom-light: #6d66b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2e8e",
  "rgb": {
    "r": 29,
    "g": 46,
    "b": 142
  },
  "hsl": {
    "h": 230.973,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3585,
    "c": 0.15873,
    "h": 268.7
  },
  "luminance": 0.04168
}

Semantic roles & 50–950 ramp

primary

#1D2E8E

secondary

#BDAB4A

accent

#CF3FE9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D2E8E

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

Preview Lab → · Contrast checker → · Palette generator →