#1D2F8D#1D2F8D

#1D2F8D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.156 H 268.5°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F8D
RGB	rgb(29, 47, 141)
HSL	hsl(230, 66%, 33%)
HSV	hsv(230, 79%, 55%)
CMYK	cmyk(79.4%, 66.7%, 0%, 44.7%)
CIE-LAB	lab(24.38, 28.63, -53.95)
CIE-LCH	lch(24.38, 61.08, 297.96°)
OKLab	oklab(35.94% -0.0042 -0.1561)
OKLCH	oklch(35.94% 0.156 268.5)
XYZ	xyz(6.3293, 4.2166, 25.6745)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F8D #8D7B1D

analogous

#1D678D #1D2F8D #431D8D

triadic

#1D2F8D #8D1D2F #2F8D1D

tetradic

#1D2F8D #8D1D67 #8D7B1D #1D8D43

square

#1D2F8D #8D1D67 #8D7B1D #1D8D43

split-complementary

#1D2F8D #8D431D #678D1D

monochromatic

#080D27 #131E5A #1D2F8D #2740C0 #4B62DA

Accessibility & contrast

On white

11.39

#1D2F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1D2F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F8D

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F8D	#FFFFFF	#000000	##FFFFFF
##1D2F8D	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F90

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d2f8d;
/* rgb */ color: rgb(29, 47, 141);
/* oklch */ color: oklch(35.9% 0.156 268.5);

Tailwind

colors: {
  custom: {
    50: '#6d67af',
    500: '#1d2f8d',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f8d;
$custom-light: #6d67af;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f8d",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 141
  },
  "hsl": {
    "h": 230.357,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35936,
    "c": 0.15617,
    "h": 268.5
  },
  "luminance": 0.04217
}

Semantic roles & 50–950 ramp

primary

#1D2F8D

secondary

#BCAA4A

accent

#CE3FE9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1D2F8D

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

Preview Lab → · Contrast checker → · Palette generator →