#1D1EA1#1D1EA1

#1D1EA1 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.199 H 270.0°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#1D1EA1
RGB	rgb(29, 30, 161)
HSL	hsl(240, 69%, 37%)
HSV	hsv(240, 82%, 63%)
CMYK	cmyk(82%, 81.4%, 0%, 36.9%)
CIE-LAB	lab(22.87, 45.98, -68.73)
CIE-LCH	lch(22.87, 82.70, 303.78°)
OKLab	oklab(35.5% -0.0001 -0.199)
OKLCH	oklch(35.5% 0.199 270)
XYZ	xyz(7.4018, 3.7621, 34.0474)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1EA1 #A1A01D

analogous

#1D60A1 #1D1EA1 #5E1DA1

triadic

#1D1EA1 #A11D1E #1EA11D

tetradic

#1D1EA1 #A11D60 #A1A01D #1DA15E

square

#1D1EA1 #A11D60 #A1A01D #1DA15E

split-complementary

#1D1EA1 #A15E1D #60A11D

monochromatic

#0A0B39 #14146D #1D1EA1 #2628D5 #5859E1

Accessibility & contrast

On white

11.98

#1D1EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1D1EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1EA1

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1EA1	#FFFFFF	#000000	##FFFFFF
##1D1EA1	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00309F

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d1ea1;
/* rgb */ color: rgb(29, 30, 161);
/* oklch */ color: oklch(35.5% 0.199 270.0);

Tailwind

colors: {
  custom: {
    50: '#745dbe',
    500: '#1d1ea1',
    950: '#000000',
  },
}

SCSS

$custom: #1d1ea1;
$custom-light: #745dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1ea1",
  "rgb": {
    "r": 29,
    "g": 30,
    "b": 161
  },
  "hsl": {
    "h": 239.545,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.35498,
    "c": 0.19903,
    "h": 270
  },
  "luminance": 0.03763
}

Semantic roles & 50–950 ramp

primary

#1D1EA1

secondary

#C4C455

accent

#EB3CEC

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D1EA1

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

Preview Lab → · Contrast checker → · Palette generator →