#1D1EB4#1D1EB4

#1D1EB4 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.8% C 0.221 H 269.0°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D1EB4
RGB	rgb(29, 30, 180)
HSL	hsl(240, 72%, 41%)
HSV	hsv(240, 84%, 71%)
CMYK	cmyk(83.9%, 83.3%, 0%, 29.4%)
CIE-LAB	lab(25.21, 51.99, -76.31)
CIE-LCH	lch(25.21, 92.34, 304.27°)
OKLab	oklab(37.8% -0.004 -0.2209)
OKLCH	oklch(37.8% 0.221 269)
XYZ	xyz(9.2064, 4.4839, 43.5514)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1EB4 #B4B31D

analogous

#1D69B4 #1D1EB4 #671DB4

triadic

#1D1EB4 #B41D1E #1EB41D

tetradic

#1D1EB4 #B41D69 #B4B31D #1DB467

square

#1D1EB4 #B41D69 #B4B31D #1DB467

split-complementary

#1D1EB4 #B4671D #69B41D

monochromatic

#0C0C4B #15157F #1D1EB4 #3032DE #6566E6

Accessibility & contrast

On white

11.07

#1D1EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1D1EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1EB4

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1EB4	#FFFFFF	#000000	##FFFFFF
##1D1EB4	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0034B2

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1d1eb4;
/* rgb */ color: rgb(29, 30, 180);
/* oklch */ color: oklch(37.8% 0.221 269.0);

Tailwind

colors: {
  custom: {
    50: '#795fcc',
    500: '#1d1eb4',
    950: '#000000',
  },
}

SCSS

$custom: #1d1eb4;
$custom-light: #795fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1eb4",
  "rgb": {
    "r": 29,
    "g": 30,
    "b": 180
  },
  "hsl": {
    "h": 239.603,
    "s": 72.249,
    "l": 40.98
  },
  "oklch": {
    "l": 0.37795,
    "c": 0.22097,
    "h": 269
  },
  "luminance": 0.04485
}

Semantic roles & 50–950 ramp

primary

#1D1EB4

secondary

#CBCB61

accent

#EE39EF

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #1D1EB4

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

Preview Lab → · Contrast checker → · Palette generator →