#1D1EB3#1D1EB3

#1D1EB3 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.7% C 0.220 H 269.0°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D1EB3
RGB	rgb(29, 30, 179)
HSL	hsl(240, 72%, 41%)
HSV	hsv(240, 84%, 70%)
CMYK	cmyk(83.8%, 83.2%, 0%, 29.8%)
CIE-LAB	lab(25.09, 51.68, -75.92)
CIE-LCH	lch(25.09, 91.84, 304.25°)
OKLab	oklab(37.67% -0.0038 -0.2198)
OKLCH	oklch(37.67% 0.22 269)
XYZ	xyz(9.1049, 4.4433, 43.0169)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1EB3 #B3B21D

analogous

#1D69B3 #1D1EB3 #671DB3

triadic

#1D1EB3 #B31D1E #1EB31D

tetradic

#1D1EB3 #B31D69 #B3B21D #1DB367

square

#1D1EB3 #B31D69 #B3B21D #1DB367

split-complementary

#1D1EB3 #B3671D #69B31D

monochromatic

#0C0C4A #14157E #1D1EB3 #3031DD #6465E6

Accessibility & contrast

On white

11.12

#1D1EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1D1EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1EB3

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1EB3	#FFFFFF	#000000	##FFFFFF
##1D1EB3	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B7

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d1eb3;
/* rgb */ color: rgb(29, 30, 179);
/* oklch */ color: oklch(37.7% 0.220 269.0);

Tailwind

colors: {
  custom: {
    50: '#795ecb',
    500: '#1d1eb3',
    950: '#000000',
  },
}

SCSS

$custom: #1d1eb3;
$custom-light: #795ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1eb3",
  "rgb": {
    "r": 29,
    "g": 30,
    "b": 179
  },
  "hsl": {
    "h": 239.6,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.37673,
    "c": 0.21983,
    "h": 269
  },
  "luminance": 0.04444
}

Semantic roles & 50–950 ramp

primary

#1D1EB3

secondary

#CBCA61

accent

#EE39EF

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #1D1EB3

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

Preview Lab → · Contrast checker → · Palette generator →