#1D2DA1#1D2DA1

#1D2DA1 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.185 H 268.5°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#1D2DA1
RGB	rgb(29, 45, 161)
HSL	hsl(233, 69%, 37%)
HSV	hsv(233, 82%, 63%)
CMYK	cmyk(82%, 72%, 0%, 36.9%)
CIE-LAB	lab(25.89, 37.41, -63.73)
CIE-LCH	lch(25.89, 73.90, 300.41°)
OKLab	oklab(37.64% -0.0049 -0.1847)
OKLCH	oklch(37.64% 0.185 268.5)
XYZ	xyz(7.8759, 4.7103, 34.2054)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2DA1 #A1911D

analogous

#1D6FA1 #1D2DA1 #4F1DA1

triadic

#1D2DA1 #A11D2D #2DA11D

tetradic

#1D2DA1 #A11D6F #A1911D #1DA14F

square

#1D2DA1 #A11D6F #A1911D #1DA14F

split-complementary

#1D2DA1 #A14F1D #6FA11D

monochromatic

#0A1039 #141F6D #1D2DA1 #263BD5 #5868E1

Accessibility & contrast

On white

10.81

#1D2DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1D2DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2DA1

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2DA1	#FFFFFF	#000000	##FFFFFF
##1D2DA1	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A4

Deuteranopia (green-blind)

#00379F

Tritanopia (blue-blind)

#004E64

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d2da1;
/* rgb */ color: rgb(29, 45, 161);
/* oklch */ color: oklch(37.6% 0.185 268.5);

Tailwind

colors: {
  custom: {
    50: '#7266be',
    500: '#1d2da1',
    950: '#000000',
  },
}

SCSS

$custom: #1d2da1;
$custom-light: #7266be;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2da1",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 161
  },
  "hsl": {
    "h": 232.727,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37643,
    "c": 0.18472,
    "h": 268.5
  },
  "luminance": 0.04711
}

Semantic roles & 50–950 ramp

primary

#1D2DA1

secondary

#C4B755

accent

#D73CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1D2DA1

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

Preview Lab → · Contrast checker → · Palette generator →