#1D2E81#1D2E81

#1D2E81 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.141 H 268.7°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D2E81
RGB	rgb(29, 46, 129)
HSL	hsl(230, 63%, 31%)
HSV	hsv(230, 78%, 51%)
CMYK	cmyk(77.5%, 64.3%, 0%, 49.4%)
CIE-LAB	lab(23.00, 24.65, -48.70)
CIE-LCH	lch(23.00, 54.59, 296.85°)
OKLab	oklab(34.58% -0.0031 -0.1408)
OKLCH	oklch(34.58% 0.141 268.7)
XYZ	xyz(5.4448, 3.7996, 21.2111)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2E81 #81701D

analogous

#1D6081 #1D2E81 #3E1D81

triadic

#1D2E81 #811D2E #2E811D

tetradic

#1D2E81 #811D60 #81701D #1D813E

square

#1D2E81 #811D60 #81701D #1D813E

split-complementary

#1D2E81 #813E1D #60811D

monochromatic

#070A1D #121C4F #1D2E81 #2840B3 #445CD5

Accessibility & contrast

On white

11.93

#1D2E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1D2E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2E81

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2E81	#FFFFFF	#000000	##FFFFFF
##1D2E81	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C84

Deuteranopia (green-blind)

#00327F

Tritanopia (blue-blind)

#004353

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d2e81;
/* rgb */ color: rgb(29, 46, 129);
/* oklch */ color: oklch(34.6% 0.141 268.7);

Tailwind

colors: {
  custom: {
    50: '#6a66a6',
    500: '#1d2e81',
    950: '#000000',
  },
}

SCSS

$custom: #1d2e81;
$custom-light: #6a66a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2e81",
  "rgb": {
    "r": 29,
    "g": 46,
    "b": 129
  },
  "hsl": {
    "h": 229.8,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.34579,
    "c": 0.14079,
    "h": 268.7
  },
  "luminance": 0.038
}

Semantic roles & 50–950 ramp

primary

#1D2E81

secondary

#B4A146

accent

#CA41E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D2E81

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

Preview Lab → · Contrast checker → · Palette generator →