#1D2B9A#1D2B9A

#1D2B9A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.6% C 0.178 H 268.9°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B9A
RGB	rgb(29, 43, 154)
HSL	hsl(233, 68%, 36%)
HSV	hsv(233, 81%, 60%)
CMYK	cmyk(81.2%, 72.1%, 0%, 39.6%)
CIE-LAB	lab(24.71, 36.12, -61.42)
CIE-LCH	lch(24.71, 71.25, 300.46°)
OKLab	oklab(36.57% -0.0033 -0.1779)
OKLCH	oklch(36.57% 0.178 268.9)
XYZ	xyz(7.2013, 4.3212, 31.0201)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B9A #9A8C1D

analogous

#1D699A #1D2B9A #4D1D9A

triadic

#1D2B9A #9A1D2B #2B9A1D

tetradic

#1D2B9A #9A1D69 #9A8C1D #1D9A4D

square

#1D2B9A #9A1D69 #9A8C1D #1D9A4D

split-complementary

#1D2B9A #9A4D1D #699A1D

monochromatic

#0A0E33 #131D66 #1D2B9A #2739CE #5362DF

Accessibility & contrast

On white

11.26

#1D2B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1D2B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B9A

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B9A	#FFFFFF	#000000	##FFFFFF
##1D2B9A	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419D

Deuteranopia (green-blind)

#003598

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d2b9a;
/* rgb */ color: rgb(29, 43, 154);
/* oklch */ color: oklch(36.6% 0.178 268.9);

Tailwind

colors: {
  custom: {
    50: '#7165b9',
    500: '#1d2b9a',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b9a;
$custom-light: #7165b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b9a",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 154
  },
  "hsl": {
    "h": 233.28,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36569,
    "c": 0.17795,
    "h": 268.9
  },
  "luminance": 0.04322
}

Semantic roles & 50–950 ramp

primary

#1D2B9A

secondary

#C2B551

accent

#D83DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #1D2B9A

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

Preview Lab → · Contrast checker → · Palette generator →