#1D2A7F#1D2A7F

#1D2A7F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.143 H 269.9°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A7F
RGB	rgb(29, 42, 127)
HSL	hsl(232, 63%, 31%)
HSV	hsv(232, 77%, 50%)
CMYK	cmyk(77.2%, 66.9%, 0%, 50.2%)
CIE-LAB	lab(21.76, 26.62, -49.47)
CIE-LCH	lch(21.76, 56.18, 298.29°)
OKLab	oklab(33.61% -0.0003 -0.143)
OKLCH	oklch(33.61% 0.143 269.9)
XYZ	xyz(5.1641, 3.4489, 20.4681)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A7F #7F721D

analogous

#1D5B7F #1D2A7F #411D7F

triadic

#1D2A7F #7F1D2A #2A7F1D

tetradic

#1D2A7F #7F1D5B #7F721D #1D7F41

square

#1D2A7F #7F1D5B #7F721D #1D7F41

split-complementary

#1D2A7F #7F411D #5B7F1D

monochromatic

#06091B #121A4D #1D2A7F #283AB1 #4256D4

Accessibility & contrast

On white

12.43

#1D2A7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D2A7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A7F

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A7F	#FFFFFF	#000000	##FFFFFF
##1D2A7F	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#00307D

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2a7f;
/* rgb */ color: rgb(29, 42, 127);
/* oklch */ color: oklch(33.6% 0.143 269.9);

Tailwind

colors: {
  custom: {
    50: '#6a63a5',
    500: '#1d2a7f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a7f;
$custom-light: #6a63a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a7f",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 127
  },
  "hsl": {
    "h": 232.041,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33609,
    "c": 0.14304,
    "h": 269.9
  },
  "luminance": 0.03449
}

Semantic roles & 50–950 ramp

primary

#1D2A7F

secondary

#B2A445

accent

#D042E6

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D2A7F

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

Preview Lab → · Contrast checker → · Palette generator →