#1D2A5C#1D2A5C

#1D2A5C is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.4% C 0.091 H 269.4°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A5C
RGB	rgb(29, 42, 92)
HSL	hsl(228, 52%, 24%)
HSV	hsv(228, 68%, 36%)
CMYK	cmyk(68.5%, 54.3%, 0%, 63.9%)
CIE-LAB	lab(18.76, 12.74, -31.71)
CIE-LCH	lch(18.76, 34.17, 291.90°)
OKLab	oklab(30.43% -0.001 -0.0909)
OKLCH	oklch(30.43% 0.091 269.4)
XYZ	xyz(3.2658, 2.6896, 10.4702)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A5C #5C4F1D

analogous

#1D495C #1D2A5C #2F1D5C

triadic

#1D2A5C #5C1D2A #2A5C1D

tetradic

#1D2A5C #5C1D49 #5C4F1D #1D5C2F

square

#1D2A5C #5C1D49 #5C4F1D #1D5C2F

split-complementary

#1D2A5C #5C2F1D #495C1D

monochromatic

#070B17 #0E152D #1D2A5C #2C3F8B #3A54B9

Accessibility & contrast

On white

13.65

#1D2A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D2A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A5C

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A5C	#FFFFFF	#000000	##FFFFFF
##1D2A5C	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E315E

Deuteranopia (green-blind)

#002B5B

Tritanopia (blue-blind)

#00363E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d2a5c;
/* rgb */ color: rgb(29, 42, 92);
/* oklch */ color: oklch(30.4% 0.091 269.4);

Tailwind

colors: {
  custom: {
    50: '#61638a',
    500: '#1d2a5c',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a5c;
$custom-light: #61638a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a5c",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 92
  },
  "hsl": {
    "h": 227.619,
    "s": 52.066,
    "l": 23.725
  },
  "oklch": {
    "l": 0.30433,
    "c": 0.09088,
    "h": 269.4
  },
  "luminance": 0.0269
}

Semantic roles & 50–950 ramp

primary

#1D2A5C

secondary

#918144

accent

#BE4CDC

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #1D2A5C

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

Preview Lab → · Contrast checker → · Palette generator →