#1D2C8F#1D2C8F

#1D2C8F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.162 H 269.1°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C8F
RGB	rgb(29, 44, 143)
HSL	hsl(232, 66%, 34%)
HSV	hsv(232, 80%, 56%)
CMYK	cmyk(79.7%, 69.2%, 0%, 43.9%)
CIE-LAB	lab(23.82, 31.39, -56.10)
CIE-LCH	lch(23.82, 64.29, 299.23°)
OKLab	oklab(35.59% -0.0026 -0.1624)
OKLCH	oklch(35.59% 0.162 269.1)
XYZ	xyz(6.3636, 4.0450, 26.4267)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C8F #8F801D

analogous

#1D658F #1D2C8F #471D8F

triadic

#1D2C8F #8F1D2C #2C8F1D

tetradic

#1D2C8F #8F1D65 #8F801D #1D8F47

square

#1D2C8F #8F1D65 #8F801D #1D8F47

split-complementary

#1D2C8F #8F471D #658F1D

monochromatic

#080D29 #131C5C #1D2C8F #273CC2 #4C5FDB

Accessibility & contrast

On white

11.61

#1D2C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1D2C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C8F

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C8F	#FFFFFF	#000000	##FFFFFF
##1D2C8F	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d2c8f;
/* rgb */ color: rgb(29, 44, 143);
/* oklch */ color: oklch(35.6% 0.162 269.1);

Tailwind

colors: {
  custom: {
    50: '#6e65b1',
    500: '#1d2c8f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c8f;
$custom-light: #6e65b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c8f",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 143
  },
  "hsl": {
    "h": 232.105,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35589,
    "c": 0.16244,
    "h": 269.1
  },
  "luminance": 0.04046
}

Semantic roles & 50–950 ramp

primary

#1D2C8F

secondary

#BDAE4B

accent

#D33FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #1D2C8F

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

Preview Lab → · Contrast checker → · Palette generator →