#1D3A93#1D3A93

#1D3A93 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.151 H 265.7°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#1D3A93
RGB	rgb(29, 58, 147)
HSL	hsl(225, 67%, 35%)
HSV	hsv(225, 80%, 58%)
CMYK	cmyk(80.3%, 60.5%, 0%, 42.4%)
CIE-LAB	lab(27.83, 23.48, -52.01)
CIE-LCH	lch(27.83, 57.06, 294.30°)
OKLab	oklab(38.66% -0.0112 -0.1503)
OKLCH	oklch(38.66% 0.151 265.7)
XYZ	xyz(7.2844, 5.3931, 28.2552)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3A93 #93761D

analogous

#1D7593 #1D3A93 #3B1D93

triadic

#1D3A93 #931D3A #3A931D

tetradic

#1D3A93 #931D75 #93761D #1D933B

square

#1D3A93 #931D75 #93761D #1D933B

split-complementary

#1D3A93 #933B1D #75931D

monochromatic

#09122D #132660 #1D3A93 #274EC6 #4E71DC

Accessibility & contrast

On white

10.10

#1D3A93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1D3A93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3A93

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3A93	#FFFFFF	#000000	##FFFFFF
##1D3A93	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004796

Deuteranopia (green-blind)

#003C91

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d3a93;
/* rgb */ color: rgb(29, 58, 147);
/* oklch */ color: oklch(38.7% 0.151 265.7);

Tailwind

colors: {
  custom: {
    50: '#6d6fb3',
    500: '#1d3a93',
    950: '#000000',
  },
}

SCSS

$custom: #1d3a93;
$custom-light: #6d6fb3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3a93",
  "rgb": {
    "r": 29,
    "g": 58,
    "b": 147
  },
  "hsl": {
    "h": 225.254,
    "s": 67.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38658,
    "c": 0.15071,
    "h": 265.7
  },
  "luminance": 0.05394
}

Semantic roles & 50–950 ramp

primary

#1D3A93

secondary

#BFA34D

accent

#C03EEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3A93

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

Preview Lab → · Contrast checker → · Palette generator →