#1D2A5F#1D2A5F

#1D2A5F is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.7% C 0.096 H 269.6°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A5F
RGB	rgb(29, 42, 95)
HSL	hsl(228, 53%, 24%)
HSV	hsv(228, 69%, 37%)
CMYK	cmyk(69.5%, 55.8%, 0%, 62.7%)
CIE-LAB	lab(18.98, 13.94, -33.32)
CIE-LCH	lch(18.98, 36.12, 292.71°)
OKLab	oklab(30.68% -0.0006 -0.0956)
OKLCH	oklch(30.68% 0.096 269.6)
XYZ	xyz(3.3995, 2.7431, 11.1746)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A5F #5F521D

analogous

#1D4B5F #1D2A5F #311D5F

triadic

#1D2A5F #5F1D2A #2A5F1D

tetradic

#1D2A5F #5F1D4B #5F521D #1D5F31

square

#1D2A5F #5F1D4B #5F521D #1D5F31

split-complementary

#1D2A5F #5F311D #4B5F1D

monochromatic

#070A17 #0F1530 #1D2A5F #2B3F8E #3A53BD

Accessibility & contrast

On white

13.56

#1D2A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1D2A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A5F

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A5F	#FFFFFF	#000000	##FFFFFF
##1D2A5F	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#093161

Deuteranopia (green-blind)

#002B5E

Tritanopia (blue-blind)

#003640

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d2a5f;
/* rgb */ color: rgb(29, 42, 95);
/* oklch */ color: oklch(30.7% 0.096 269.6);

Tailwind

colors: {
  custom: {
    50: '#61638d',
    500: '#1d2a5f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a5f;
$custom-light: #61638d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a5f",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 95
  },
  "hsl": {
    "h": 228.182,
    "s": 53.226,
    "l": 24.314
  },
  "oklch": {
    "l": 0.30679,
    "c": 0.09562,
    "h": 269.6
  },
  "luminance": 0.02743
}

Semantic roles & 50–950 ramp

primary

#1D2A5F

secondary

#948444

accent

#C04BDD

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #1D2A5F

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

Preview Lab → · Contrast checker → · Palette generator →