#1D2E5A#1D2E5A

#1D2E5A is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.2% C 0.082 H 265.9°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D2E5A
RGB	rgb(29, 46, 90)
HSL	hsl(223, 51%, 23%)
HSV	hsv(223, 68%, 35%)
CMYK	cmyk(67.8%, 48.9%, 0%, 64.7%)
CIE-LAB	lab(19.86, 9.04, -28.61)
CIE-LCH	lch(19.86, 30.01, 287.53°)
OKLab	oklab(31.23% -0.0058 -0.0817)
OKLCH	oklch(31.23% 0.082 265.9)
XYZ	xyz(3.3285, 2.9531, 10.0655)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2E5A #5A491D

analogous

#1D4C5A #1D2E5A #2A1D5A

triadic

#1D2E5A #5A1D2E #2E5A1D

tetradic

#1D2E5A #5A1D4C #5A491D #1D5A2A

square

#1D2E5A #5A1D4C #5A491D #1D5A2A

split-complementary

#1D2E5A #5A2A1D #4C5A1D

monochromatic

#070C17 #0E162C #1D2E5A #2C4688 #3B5DB7

Accessibility & contrast

On white

13.20

#1D2E5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D2E5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2E5A

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2E5A	#FFFFFF	#000000	##FFFFFF
##1D2E5A	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19335C

Deuteranopia (green-blind)

#0F2D59

Tritanopia (blue-blind)

#00383F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d2e5a;
/* rgb */ color: rgb(29, 46, 90);
/* oklch */ color: oklch(31.2% 0.082 265.9);

Tailwind

colors: {
  custom: {
    50: '#606689',
    500: '#1d2e5a',
    950: '#000000',
  },
}

SCSS

$custom: #1d2e5a;
$custom-light: #606689;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2e5a",
  "rgb": {
    "r": 29,
    "g": 46,
    "b": 90
  },
  "hsl": {
    "h": 223.279,
    "s": 51.261,
    "l": 23.333
  },
  "oklch": {
    "l": 0.31225,
    "c": 0.08192,
    "h": 265.9
  },
  "luminance": 0.02953
}

Semantic roles & 50–950 ramp

primary

#1D2E5A

secondary

#8F7A44

accent

#B34DDB

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050B

muted

#797A7C

Preview Lab

Preview with #1D2E5A

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

Preview Lab → · Contrast checker → · Palette generator →