#1D2380#1D2380

#1D2380 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.5% C 0.153 H 271.4°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#1D2380
RGB	rgb(29, 35, 128)
HSL	hsl(236, 63%, 31%)
HSV	hsv(236, 77%, 50%)
CMYK	cmyk(77.3%, 72.7%, 0%, 49.8%)
CIE-LAB	lab(20.13, 31.65, -52.78)
CIE-LCH	lch(20.13, 61.54, 300.95°)
OKLab	oklab(32.46% 0.0039 -0.1527)
OKLCH	oklch(32.46% 0.153 271.4)
XYZ	xyz(5.0027, 3.0213, 20.7374)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2380 #807A1D

analogous

#1D5480 #1D2380 #481D80

triadic

#1D2380 #801D23 #23801D

tetradic

#1D2380 #801D54 #807A1D #1D8048

square

#1D2380 #801D54 #807A1D #1D8048

split-complementary

#1D2380 #80481D #54801D

monochromatic

#06081C #12154E #1D2380 #2831B2 #434CD4

Accessibility & contrast

On white

13.09

#1D2380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1D2380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2380

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2380	#FFFFFF	#000000	##FFFFFF
##1D2380	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003583

Deuteranopia (green-blind)

#002C7E

Tritanopia (blue-blind)

#003D4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d2380;
/* rgb */ color: rgb(29, 35, 128);
/* oklch */ color: oklch(32.5% 0.153 271.4);

Tailwind

colors: {
  custom: {
    50: '#6b5ea6',
    500: '#1d2380',
    950: '#000000',
  },
}

SCSS

$custom: #1d2380;
$custom-light: #6b5ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2380",
  "rgb": {
    "r": 29,
    "g": 35,
    "b": 128
  },
  "hsl": {
    "h": 236.364,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32456,
    "c": 0.15279,
    "h": 271.4
  },
  "luminance": 0.03022
}

Semantic roles & 50–950 ramp

primary

#1D2380

secondary

#B3AD45

accent

#DC42E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1D2380

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

Preview Lab → · Contrast checker → · Palette generator →