#1D2C9F#1D2C9F

#1D2C9F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.183 H 268.7°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C9F
RGB	rgb(29, 44, 159)
HSL	hsl(233, 69%, 37%)
HSV	hsv(233, 82%, 62%)
CMYK	cmyk(81.8%, 72.3%, 0%, 37.6%)
CIE-LAB	lab(25.46, 37.31, -63.23)
CIE-LCH	lch(25.46, 73.42, 300.54°)
OKLab	oklab(37.27% -0.0043 -0.1832)
OKLCH	oklch(37.27% 0.183 268.7)
XYZ	xyz(7.6632, 4.5649, 33.2714)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C9F #9F901D

analogous

#1D6D9F #1D2C9F #4F1D9F

triadic

#1D2C9F #9F1D2C #2C9F1D

tetradic

#1D2C9F #9F1D6D #9F901D #1D9F4F

square

#1D2C9F #9F1D6D #9F901D #1D9F4F

split-complementary

#1D2C9F #9F4F1D #6D9F1D

monochromatic

#0A0F37 #141E6B #1D2C9F #263AD3 #5666E0

Accessibility & contrast

On white

10.98

#1D2C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1D2C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C9F

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C9F	#FFFFFF	#000000	##FFFFFF
##1D2C9F	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A2

Deuteranopia (green-blind)

#00369D

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1d2c9f;
/* rgb */ color: rgb(29, 44, 159);
/* oklch */ color: oklch(37.3% 0.183 268.7);

Tailwind

colors: {
  custom: {
    50: '#7266bd',
    500: '#1d2c9f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c9f;
$custom-light: #7266bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c9f",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 159
  },
  "hsl": {
    "h": 233.077,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37266,
    "c": 0.18326,
    "h": 268.7
  },
  "luminance": 0.04566
}

Semantic roles & 50–950 ramp

primary

#1D2C9F

secondary

#C4B754

accent

#D83CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1D2C9F

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

Preview Lab → · Contrast checker → · Palette generator →