#1D1EA0#1D1EA0

#1D1EA0 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.198 H 270.0°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#1D1EA0
RGB	rgb(29, 30, 160)
HSL	hsl(240, 69%, 37%)
HSV	hsv(240, 82%, 63%)
CMYK	cmyk(81.9%, 81.3%, 0%, 37.3%)
CIE-LAB	lab(22.75, 45.66, -68.33)
CIE-LCH	lch(22.75, 82.18, 303.75°)
OKLab	oklab(35.38% 0.0001 -0.1978)
OKLCH	oklch(35.38% 0.198 270)
XYZ	xyz(7.3140, 3.7270, 33.5848)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1EA0 #A09F1D

analogous

#1D60A0 #1D1EA0 #5E1DA0

triadic

#1D1EA0 #A01D1E #1EA01D

tetradic

#1D1EA0 #A01D60 #A09F1D #1DA05E

square

#1D1EA0 #A01D60 #A09F1D #1DA05E

split-complementary

#1D1EA0 #A05E1D #60A01D

monochromatic

#0A0B38 #14146C #1D1EA0 #2628D4 #5758E1

Accessibility & contrast

On white

12.03

#1D1EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1D1EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1EA0

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1EA0	#FFFFFF	#000000	##FFFFFF
##1D1EA0	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#002F9E

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d1ea0;
/* rgb */ color: rgb(29, 30, 160);
/* oklch */ color: oklch(35.4% 0.198 270.0);

Tailwind

colors: {
  custom: {
    50: '#745dbd',
    500: '#1d1ea0',
    950: '#000000',
  },
}

SCSS

$custom: #1d1ea0;
$custom-light: #745dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1ea0",
  "rgb": {
    "r": 29,
    "g": 30,
    "b": 160
  },
  "hsl": {
    "h": 239.542,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35379,
    "c": 0.19785,
    "h": 270
  },
  "luminance": 0.03728
}

Semantic roles & 50–950 ramp

primary

#1D1EA0

secondary

#C4C355

accent

#EB3CEC

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D1EA0

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

Preview Lab → · Contrast checker → · Palette generator →