#1D2A87#1D2A87

#1D2A87 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.4% C 0.154 H 269.7°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A87
RGB	rgb(29, 42, 135)
HSL	hsl(233, 65%, 32%)
HSV	hsv(233, 79%, 53%)
CMYK	cmyk(78.5%, 68.9%, 0%, 47.1%)
CIE-LAB	lab(22.53, 29.69, -53.23)
CIE-LCH	lch(22.53, 60.95, 299.15°)
OKLab	oklab(34.41% -0.0009 -0.154)
OKLCH	oklch(34.41% 0.154 269.7)
XYZ	xyz(5.7063, 3.6658, 23.3238)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A87 #877A1D

analogous

#1D5F87 #1D2A87 #451D87

triadic

#1D2A87 #871D2A #2A871D

tetradic

#1D2A87 #871D5F #877A1D #1D8745

square

#1D2A87 #871D5F #877A1D #1D8745

split-complementary

#1D2A87 #87451D #5F871D

monochromatic

#070B22 #121A55 #1D2A87 #283AB9 #4759D7

Accessibility & contrast

On white

12.12

#1D2A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D2A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A87

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A87	#FFFFFF	#000000	##FFFFFF
##1D2A87	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8A

Deuteranopia (green-blind)

#003185

Tritanopia (blue-blind)

#004354

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2a87;
/* rgb */ color: rgb(29, 42, 135);
/* oklch */ color: oklch(34.4% 0.154 269.7);

Tailwind

colors: {
  custom: {
    50: '#6c63ab',
    500: '#1d2a87',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a87;
$custom-light: #6c63ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a87",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 135
  },
  "hsl": {
    "h": 232.642,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34413,
    "c": 0.15404,
    "h": 269.7
  },
  "luminance": 0.03666
}

Semantic roles & 50–950 ramp

primary

#1D2A87

secondary

#B9AB46

accent

#D340E8

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2A87

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

Preview Lab → · Contrast checker → · Palette generator →