#1D3090#1D3090

#1D3090 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.159 H 268.2°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D3090
RGB	rgb(29, 48, 144)
HSL	hsl(230, 66%, 34%)
HSV	hsv(230, 80%, 56%)
CMYK	cmyk(79.9%, 66.7%, 0%, 43.5%)
CIE-LAB	lab(24.91, 29.11, -54.92)
CIE-LCH	lch(24.91, 62.16, 297.93°)
OKLab	oklab(36.42% -0.0049 -0.1589)
OKLCH	oklch(36.42% 0.159 268.2)
XYZ	xyz(6.5959, 4.3880, 26.8795)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3090 #907D1D

analogous

#1D6A90 #1D3090 #441D90

triadic

#1D3090 #901D30 #30901D

tetradic

#1D3090 #901D6A #907D1D #1D9044

square

#1D3090 #901D6A #907D1D #1D9044

split-complementary

#1D3090 #90441D #6A901D

monochromatic

#080E2A #131F5D #1D3090 #2741C3 #4C64DB

Accessibility & contrast

On white

11.18

#1D3090 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1D3090 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3090

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3090	#FFFFFF	#000000	##FFFFFF
##1D3090	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004193

Deuteranopia (green-blind)

#00368E

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d3090;
/* rgb */ color: rgb(29, 48, 144);
/* oklch */ color: oklch(36.4% 0.159 268.2);

Tailwind

colors: {
  custom: {
    50: '#6e68b1',
    500: '#1d3090',
    950: '#000000',
  },
}

SCSS

$custom: #1d3090;
$custom-light: #6e68b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3090",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 144
  },
  "hsl": {
    "h": 230.087,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36419,
    "c": 0.15903,
    "h": 268.2
  },
  "luminance": 0.04389
}

Semantic roles & 50–950 ramp

primary

#1D3090

secondary

#BDAB4B

accent

#CD3EE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D3090

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

Preview Lab → · Contrast checker → · Palette generator →