#1C2D78#1C2D78

#1C2D78 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.5% C 0.130 H 268.5°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D78
RGB	rgb(28, 45, 120)
HSL	hsl(229, 62%, 29%)
HSV	hsv(229, 77%, 47%)
CMYK	cmyk(76.7%, 62.5%, 0%, 52.9%)
CIE-LAB	lab(21.87, 21.67, -44.85)
CIE-LCH	lch(21.87, 49.81, 295.79°)
OKLab	oklab(33.48% -0.0033 -0.1295)
OKLCH	oklch(33.48% 0.13 268.5)
XYZ	xyz(4.8063, 3.4792, 18.1839)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D78 #78671C

analogous

#1C5B78 #1C2D78 #391C78

triadic

#1C2D78 #781C2D #2D781C

tetradic

#1C2D78 #781C5B #78671C #1C7839

square

#1C2D78 #781C5B #78671C #1C7839

split-complementary

#1C2D78 #78391C #5B781C

monochromatic

#060919 #101A46 #1C2D78 #2840AA #3D58D2

Accessibility & contrast

On white

12.38

#1C2D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C2D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D78

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D78	#FFFFFF	#000000	##FFFFFF
##1C2D78	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397A

Deuteranopia (green-blind)

#003077

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2d78;
/* rgb */ color: rgb(28, 45, 120);
/* oklch */ color: oklch(33.5% 0.130 268.5);

Tailwind

colors: {
  custom: {
    50: '#6765a0',
    500: '#1c2d78',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d78;
$custom-light: #6765a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d78",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 120
  },
  "hsl": {
    "h": 228.913,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33478,
    "c": 0.12953,
    "h": 268.5
  },
  "luminance": 0.0348
}

Semantic roles & 50–950 ramp

primary

#1C2D78

secondary

#AC9944

accent

#C743E5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #1C2D78

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

Preview Lab → · Contrast checker → · Palette generator →