#1D2F9D#1D2F9D

#1D2F9D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.177 H 268.3°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F9D
RGB	rgb(29, 47, 157)
HSL	hsl(232, 69%, 36%)
HSV	hsv(232, 82%, 62%)
CMYK	cmyk(81.5%, 70.1%, 0%, 38.4%)
CIE-LAB	lab(25.94, 34.68, -61.21)
CIE-LCH	lch(25.94, 70.35, 299.53°)
OKLab	oklab(37.56% -0.0053 -0.1773)
OKLCH	oklch(37.56% 0.177 268.3)
XYZ	xyz(7.6069, 4.7277, 32.4034)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F9D #9D8B1D

analogous

#1D6F9D #1D2F9D #4B1D9D

triadic

#1D2F9D #9D1D2F #2F9D1D

tetradic

#1D2F9D #9D1D6F #9D8B1D #1D9D4B

square

#1D2F9D #9D1D6F #9D8B1D #1D9D4B

split-complementary

#1D2F9D #9D4B1D #6F9D1D

monochromatic

#0A1036 #132069 #1D2F9D #273ED1 #5568E0

Accessibility & contrast

On white

10.79

#1D2F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1D2F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F9D

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F9D	#FFFFFF	#000000	##FFFFFF
##1D2F9D	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A0

Deuteranopia (green-blind)

#00379B

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d2f9d;
/* rgb */ color: rgb(29, 47, 157);
/* oklch */ color: oklch(37.6% 0.177 268.3);

Tailwind

colors: {
  custom: {
    50: '#7168bb',
    500: '#1d2f9d',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f9d;
$custom-light: #7168bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f9d",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 157
  },
  "hsl": {
    "h": 231.563,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37556,
    "c": 0.1774,
    "h": 268.3
  },
  "luminance": 0.04729
}

Semantic roles & 50–950 ramp

primary

#1D2F9D

secondary

#C3B353

accent

#D33CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1D2F9D

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

Preview Lab → · Contrast checker → · Palette generator →