#1D2D9F#1D2D9F

#1D2D9F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.182 H 268.5°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D9F
RGB	rgb(29, 45, 159)
HSL	hsl(233, 69%, 37%)
HSV	hsv(233, 82%, 62%)
CMYK	cmyk(81.8%, 71.7%, 0%, 37.6%)
CIE-LAB	lab(25.68, 36.68, -62.86)
CIE-LCH	lch(25.68, 72.78, 300.27°)
OKLab	oklab(37.43% -0.0047 -0.1821)
OKLCH	oklch(37.43% 0.182 268.5)
XYZ	xyz(7.7009, 4.6403, 33.2840)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D9F #9F8F1D

analogous

#1D6E9F #1D2D9F #4E1D9F

triadic

#1D2D9F #9F1D2D #2D9F1D

tetradic

#1D2D9F #9F1D6E #9F8F1D #1D9F4E

square

#1D2D9F #9F1D6E #9F8F1D #1D9F4E

split-complementary

#1D2D9F #9F4E1D #6E9F1D

monochromatic

#0A1037 #141E6B #1D2D9F #263CD3 #5667E0

Accessibility & contrast

On white

10.89

#1D2D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1D2D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D9F

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D9F	#FFFFFF	#000000	##FFFFFF
##1D2D9F	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A2

Deuteranopia (green-blind)

#00369D

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d2d9f;
/* rgb */ color: rgb(29, 45, 159);
/* oklch */ color: oklch(37.4% 0.182 268.5);

Tailwind

colors: {
  custom: {
    50: '#7266bd',
    500: '#1d2d9f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d9f;
$custom-light: #7266bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d9f",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 159
  },
  "hsl": {
    "h": 232.615,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3743,
    "c": 0.18218,
    "h": 268.5
  },
  "luminance": 0.04641
}

Semantic roles & 50–950 ramp

primary

#1D2D9F

secondary

#C4B654

accent

#D63CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1D2D9F

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

Preview Lab → · Contrast checker → · Palette generator →