#1D2A52#1D2A52

#1D2A52 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.7% C 0.075 H 268.1°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A52
RGB	rgb(29, 42, 82)
HSL	hsl(225, 48%, 22%)
HSV	hsv(225, 65%, 32%)
CMYK	cmyk(64.6%, 48.8%, 0%, 67.8%)
CIE-LAB	lab(18.04, 8.76, -26.18)
CIE-LCH	lch(18.04, 27.61, 288.50°)
OKLab	oklab(29.65% -0.0025 -0.0746)
OKLCH	oklch(29.65% 0.075 268.1)
XYZ	xyz(2.8571, 2.5261, 8.3180)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A52 #52451D

analogous

#1D4552 #1D2A52 #2B1D52

triadic

#1D2A52 #521D2A #2A521D

tetradic

#1D2A52 #521D45 #52451D #1D522B

square

#1D2A52 #521D45 #52451D #1D522B

split-complementary

#1D2A52 #522B1D #45521D

monochromatic

#080C17 #0D1325 #1D2A52 #2D417F #3D58AC

Accessibility & contrast

On white

13.95

#1D2A52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1D2A52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A52

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A52	#FFFFFF	#000000	##FFFFFF
##1D2A52	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182F54

Deuteranopia (green-blind)

#102A51

Tritanopia (blue-blind)

#00333A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d2a52;
/* rgb */ color: rgb(29, 42, 82);
/* oklch */ color: oklch(29.7% 0.075 268.1);

Tailwind

colors: {
  custom: {
    50: '#5f6383',
    500: '#1d2a52',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a52;
$custom-light: #5f6383;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a52",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 82
  },
  "hsl": {
    "h": 225.283,
    "s": 47.748,
    "l": 21.765
  },
  "oklch": {
    "l": 0.29654,
    "c": 0.07466,
    "h": 268.1
  },
  "luminance": 0.02526
}

Semantic roles & 50–950 ramp

primary

#1D2A52

secondary

#877744

accent

#B650D7

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#05050A

muted

#79797C

Preview Lab

Preview with #1D2A52

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

Preview Lab → · Contrast checker → · Palette generator →