#1D1CA0#1D1CA0

#1D1CA0 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.1% C 0.199 H 270.1°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D1CA0
RGB	rgb(29, 28, 160)
HSL	hsl(240, 70%, 37%)
HSV	hsv(240, 83%, 63%)
CMYK	cmyk(81.9%, 82.5%, 0%, 37.3%)
CIE-LAB	lab(22.40, 46.66, -68.90)
CIE-LCH	lch(22.40, 83.21, 304.11°)
OKLab	oklab(35.14% 0.0005 -0.1995)
OKLCH	oklch(35.14% 0.199 270.1)
XYZ	xyz(7.2650, 3.6289, 33.5685)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1CA0 #9FA01C

analogous

#1C5DA0 #1D1CA0 #5F1CA0

triadic

#1D1CA0 #A01D1C #1CA01D

tetradic

#1D1CA0 #A01C5D #9FA01C #1CA05F

square

#1D1CA0 #A01C5D #9FA01C #1CA05F

split-complementary

#1D1CA0 #A05F1C #5DA01C

monochromatic

#0A0A38 #14136C #1D1CA0 #2625D4 #5655E1

Accessibility & contrast

On white

12.17

#1D1CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D1CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1CA0

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1CA0	#FFFFFF	#000000	##FFFFFF
##1D1CA0	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA4

Deuteranopia (green-blind)

#002F9E

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d1ca0;
/* rgb */ color: rgb(29, 28, 160);
/* oklch */ color: oklch(35.1% 0.199 270.1);

Tailwind

colors: {
  custom: {
    50: '#745cbe',
    500: '#1d1ca0',
    950: '#000000',
  },
}

SCSS

$custom: #1d1ca0;
$custom-light: #745cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1ca0",
  "rgb": {
    "r": 29,
    "g": 28,
    "b": 160
  },
  "hsl": {
    "h": 240.455,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3514,
    "c": 0.19946,
    "h": 270.1
  },
  "luminance": 0.0363
}

Semantic roles & 50–950 ramp

primary

#1D1CA0

secondary

#C4C453

accent

#ED3BEC

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D1CA0

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

Preview Lab → · Contrast checker → · Palette generator →