#1D3A94#1D3A94

#1D3A94 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.152 H 265.8°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D3A94
RGB	rgb(29, 58, 148)
HSL	hsl(225, 67%, 35%)
HSV	hsv(225, 80%, 58%)
CMYK	cmyk(80.4%, 60.8%, 0%, 42%)
CIE-LAB	lab(27.91, 23.87, -52.48)
CIE-LCH	lch(27.91, 57.65, 294.46°)
OKLab	oklab(38.75% -0.0112 -0.1517)
OKLCH	oklch(38.75% 0.152 265.8)
XYZ	xyz(7.3632, 5.4246, 28.6702)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3A94 #94771D

analogous

#1D7694 #1D3A94 #3B1D94

triadic

#1D3A94 #941D3A #3A941D

tetradic

#1D3A94 #941D76 #94771D #1D943B

square

#1D3A94 #941D76 #94771D #1D943B

split-complementary

#1D3A94 #943B1D #76941D

monochromatic

#09122E #132661 #1D3A94 #274EC7 #4F71DC

Accessibility & contrast

On white

10.07

#1D3A94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1D3A94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3A94

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3A94	#FFFFFF	#000000	##FFFFFF
##1D3A94	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004897

Deuteranopia (green-blind)

#003D92

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d3a94;
/* rgb */ color: rgb(29, 58, 148);
/* oklch */ color: oklch(38.7% 0.152 265.8);

Tailwind

colors: {
  custom: {
    50: '#6e6fb4',
    500: '#1d3a94',
    950: '#000000',
  },
}

SCSS

$custom: #1d3a94;
$custom-light: #6e6fb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3a94",
  "rgb": {
    "r": 29,
    "g": 58,
    "b": 148
  },
  "hsl": {
    "h": 225.378,
    "s": 67.232,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38748,
    "c": 0.1521,
    "h": 265.8
  },
  "luminance": 0.05425
}

Semantic roles & 50–950 ramp

primary

#1D3A94

secondary

#BFA34E

accent

#C03EEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3A94

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

Preview Lab → · Contrast checker → · Palette generator →