#1D2C8B#1D2C8B

#1D2C8B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.2% C 0.157 H 269.1°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C8B
RGB	rgb(29, 44, 139)
HSL	hsl(232, 65%, 33%)
HSV	hsv(232, 79%, 55%)
CMYK	cmyk(79.1%, 68.3%, 0%, 45.5%)
CIE-LAB	lab(23.43, 29.88, -54.26)
CIE-LCH	lch(23.43, 61.94, 298.84°)
OKLab	oklab(35.18% -0.0023 -0.1571)
OKLCH	oklch(35.18% 0.157 269.1)
XYZ	xyz(6.0660, 3.9260, 24.8592)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C8B #8B7C1D

analogous

#1D638B #1D2C8B #451D8B

triadic

#1D2C8B #8B1D2C #2C8B1D

tetradic

#1D2C8B #8B1D63 #8B7C1D #1D8B45

square

#1D2C8B #8B1D63 #8B7C1D #1D8B45

split-complementary

#1D2C8B #8B451D #638B1D

monochromatic

#080C26 #121C58 #1D2C8B #283CBE #495DD9

Accessibility & contrast

On white

11.76

#1D2C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1D2C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C8B

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C8B	#FFFFFF	#000000	##FFFFFF
##1D2C8B	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d2c8b;
/* rgb */ color: rgb(29, 44, 139);
/* oklch */ color: oklch(35.2% 0.157 269.1);

Tailwind

colors: {
  custom: {
    50: '#6d65ae',
    500: '#1d2c8b',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c8b;
$custom-light: #6d65ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c8b",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 139
  },
  "hsl": {
    "h": 231.818,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35182,
    "c": 0.15708,
    "h": 269.1
  },
  "luminance": 0.03927
}

Semantic roles & 50–950 ramp

primary

#1D2C8B

secondary

#BBAC49

accent

#D13FE8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1D2C8B

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

Preview Lab → · Contrast checker → · Palette generator →