#1D2D8F#1D2D8F

#1D2D8F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.161 H 268.9°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D8F
RGB	rgb(29, 45, 143)
HSL	hsl(232, 66%, 34%)
HSV	hsv(232, 80%, 56%)
CMYK	cmyk(79.7%, 68.5%, 0%, 43.9%)
CIE-LAB	lab(24.07, 30.73, -55.70)
CIE-LCH	lch(24.07, 63.61, 298.89°)
OKLab	oklab(35.77% -0.0032 -0.1612)
OKLCH	oklch(35.77% 0.161 268.9)
XYZ	xyz(6.4013, 4.1204, 26.4392)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D8F #8F7F1D

analogous

#1D668F #1D2D8F #461D8F

triadic

#1D2D8F #8F1D2D #2D8F1D

tetradic

#1D2D8F #8F1D66 #8F7F1D #1D8F46

square

#1D2D8F #8F1D66 #8F7F1D #1D8F46

split-complementary

#1D2D8F #8F461D #668F1D

monochromatic

#080D29 #131D5C #1D2D8F #273DC2 #4C60DB

Accessibility & contrast

On white

11.51

#1D2D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1D2D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D8F

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D8F	#FFFFFF	#000000	##FFFFFF
##1D2D8F	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d2d8f;
/* rgb */ color: rgb(29, 45, 143);
/* oklch */ color: oklch(35.8% 0.161 268.9);

Tailwind

colors: {
  custom: {
    50: '#6e66b1',
    500: '#1d2d8f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d8f;
$custom-light: #6e66b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d8f",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 143
  },
  "hsl": {
    "h": 231.579,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35769,
    "c": 0.16127,
    "h": 268.9
  },
  "luminance": 0.04121
}

Semantic roles & 50–950 ramp

primary

#1D2D8F

secondary

#BDAD4B

accent

#D13FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D2D8F

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

Preview Lab → · Contrast checker → · Palette generator →