#1D4090#1D4090

#1D4090 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.139 H 263.5°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D4090
RGB	rgb(29, 64, 144)
HSL	hsl(222, 66%, 34%)
HSV	hsv(222, 80%, 56%)
CMYK	cmyk(79.9%, 55.6%, 0%, 43.5%)
CIE-LAB	lab(29.26, 18.14, -47.83)
CIE-LCH	lch(29.26, 51.15, 290.77°)
OKLab	oklab(39.66% -0.0156 -0.1379)
OKLCH	oklch(39.66% 0.139 263.5)
XYZ	xyz(7.3723, 5.9408, 27.1383)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4090 #906D1D

analogous

#1D7A90 #1D4090 #341D90

triadic

#1D4090 #901D40 #40901D

tetradic

#1D4090 #901D7A #906D1D #1D9034

square

#1D4090 #901D7A #906D1D #1D9034

split-complementary

#1D4090 #90341D #7A901D

monochromatic

#08132A #13295D #1D4090 #2757C3 #4C78DB

Accessibility & contrast

On white

9.60

#1D4090 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1D4090 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4090

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4090	#FFFFFF	#000000	##FFFFFF
##1D4090	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00408E

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d4090;
/* rgb */ color: rgb(29, 64, 144);
/* oklch */ color: oklch(39.7% 0.139 263.5);

Tailwind

colors: {
  custom: {
    50: '#6c74b1',
    500: '#1d4090',
    950: '#000000',
  },
}

SCSS

$custom: #1d4090;
$custom-light: #6c74b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4090",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 144
  },
  "hsl": {
    "h": 221.739,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39661,
    "c": 0.13879,
    "h": 263.5
  },
  "luminance": 0.05942
}

Semantic roles & 50–950 ramp

primary

#1D4090

secondary

#BD9B4B

accent

#B53EE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4090

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

Preview Lab → · Contrast checker → · Palette generator →