#1D2B7D#1D2B7D

#1D2B7D is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.139 H 269.6°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B7D
RGB	rgb(29, 43, 125)
HSL	hsl(231, 62%, 30%)
HSV	hsv(231, 77%, 49%)
CMYK	cmyk(76.8%, 65.6%, 0%, 51%)
CIE-LAB	lab(21.83, 25.16, -48.08)
CIE-LCH	lch(21.83, 54.27, 297.62°)
OKLab	oklab(33.61% -0.0009 -0.139)
OKLCH	oklch(33.61% 0.139 269.6)
XYZ	xyz(5.0710, 3.4691, 19.8004)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B7D #7D6F1D

analogous

#1D5B7D #1D2B7D #3F1D7D

triadic

#1D2B7D #7D1D2B #2B7D1D

tetradic

#1D2B7D #7D1D5B #7D6F1D #1D7D3F

square

#1D2B7D #7D1D5B #7D6F1D #1D7D3F

split-complementary

#1D2B7D #7D3F1D #5B7D1D

monochromatic

#06091A #111A4B #1D2B7D #293CAF #4157D3

Accessibility & contrast

On white

12.40

#1D2B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D2B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B7D

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B7D	#FFFFFF	#000000	##FFFFFF
##1D2B7D	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003980

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2b7d;
/* rgb */ color: rgb(29, 43, 125);
/* oklch */ color: oklch(33.6% 0.139 269.6);

Tailwind

colors: {
  custom: {
    50: '#6964a3',
    500: '#1d2b7d',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b7d;
$custom-light: #6964a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b7d",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 125
  },
  "hsl": {
    "h": 231.25,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.33606,
    "c": 0.13898,
    "h": 269.6
  },
  "luminance": 0.0347
}

Semantic roles & 50–950 ramp

primary

#1D2B7D

secondary

#B1A145

accent

#CE42E5

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D2B7D

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

Preview Lab → · Contrast checker → · Palette generator →