#1D1EAA#1D1EAA

#1D1EAA is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.6% C 0.210 H 269.5°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#1D1EAA
RGB	rgb(29, 30, 170)
HSL	hsl(240, 71%, 39%)
HSV	hsv(240, 83%, 67%)
CMYK	cmyk(82.9%, 82.4%, 0%, 33.3%)
CIE-LAB	lab(23.97, 48.86, -72.36)
CIE-LCH	lch(23.97, 87.32, 304.03°)
OKLab	oklab(36.58% -0.002 -0.2095)
OKLCH	oklch(36.58% 0.21 269.5)
XYZ	xyz(8.2242, 4.0911, 38.3786)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1EAA #AAA91D

analogous

#1D65AA #1D1EAA #621DAA

triadic

#1D1EAA #AA1D1E #1EAA1D

tetradic

#1D1EAA #AA1D65 #AAA91D #1DAA62

square

#1D1EAA #AA1D65 #AAA91D #1DAA62

split-complementary

#1D1EAA #AA621D #65AA1D

monochromatic

#0B0C41 #141576 #1D1EAA #2A2BDB #5E5FE4

Accessibility & contrast

On white

11.55

#1D1EAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1D1EAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1EAA

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1EAA	#FFFFFF	#000000	##FFFFFF
##1D1EAA	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AE

Deuteranopia (green-blind)

#0031A8

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d1eaa;
/* rgb */ color: rgb(29, 30, 170);
/* oklch */ color: oklch(36.6% 0.210 269.5);

Tailwind

colors: {
  custom: {
    50: '#765ec5',
    500: '#1d1eaa',
    950: '#000000',
  },
}

SCSS

$custom: #1d1eaa;
$custom-light: #765ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1eaa",
  "rgb": {
    "r": 29,
    "g": 30,
    "b": 170
  },
  "hsl": {
    "h": 239.574,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.36581,
    "c": 0.20954,
    "h": 269.5
  },
  "luminance": 0.04092
}

Semantic roles & 50–950 ramp

primary

#1D1EAA

secondary

#C8C75B

accent

#EC3AEE

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #1D1EAA

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

Preview Lab → · Contrast checker → · Palette generator →