#1D2B7A#1D2B7A

#1D2B7A is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.3% C 0.135 H 269.7°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B7A
RGB	rgb(29, 43, 122)
HSL	hsl(231, 62%, 30%)
HSV	hsv(231, 76%, 48%)
CMYK	cmyk(76.2%, 64.8%, 0%, 52.2%)
CIE-LAB	lab(21.56, 23.99, -46.63)
CIE-LCH	lch(21.56, 52.44, 297.22°)
OKLab	oklab(33.32% -0.0008 -0.1347)
OKLCH	oklch(33.32% 0.135 269.7)
XYZ	xyz(4.8822, 3.3936, 18.8063)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B7A #7A6C1D

analogous

#1D597A #1D2B7A #3E1D7A

triadic

#1D2B7A #7A1D2B #2B7A1D

tetradic

#1D2B7A #7A1D59 #7A6C1D #1D7A3E

square

#1D2B7A #7A1D59 #7A6C1D #1D7A3E

split-complementary

#1D2B7A #7A3E1D #597A1D

monochromatic

#060919 #111A49 #1D2B7A #293CAB #4056D2

Accessibility & contrast

On white

12.51

#1D2B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D2B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B7A

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B7A	#FFFFFF	#000000	##FFFFFF
##1D2B7A	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387D

Deuteranopia (green-blind)

#002F78

Tritanopia (blue-blind)

#003F4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2b7a;
/* rgb */ color: rgb(29, 43, 122);
/* oklch */ color: oklch(33.3% 0.135 269.7);

Tailwind

colors: {
  custom: {
    50: '#6864a1',
    500: '#1d2b7a',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b7a;
$custom-light: #6864a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b7a",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 122
  },
  "hsl": {
    "h": 230.968,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33316,
    "c": 0.13472,
    "h": 269.7
  },
  "luminance": 0.03394
}

Semantic roles & 50–950 ramp

primary

#1D2B7A

secondary

#AE9E45

accent

#CC43E5

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D2B7A

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

Preview Lab → · Contrast checker → · Palette generator →