#1C2A77#1C2A77

#1C2A77 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.132 H 269.6°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A77
RGB	rgb(28, 42, 119)
HSL	hsl(231, 62%, 29%)
HSV	hsv(231, 76%, 47%)
CMYK	cmyk(76.5%, 64.7%, 0%, 53.3%)
CIE-LAB	lab(20.96, 23.38, -45.70)
CIE-LCH	lch(20.96, 51.33, 297.09°)
OKLab	oklab(32.78% -0.001 -0.132)
OKLCH	oklch(32.78% 0.132 269.6)
XYZ	xyz(4.6355, 3.2342, 17.8292)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A77 #77691C

analogous

#1C5877 #1C2A77 #3C1C77

triadic

#1C2A77 #771C2A #2A771C

tetradic

#1C2A77 #771C58 #77691C #1C773C

square

#1C2A77 #771C58 #77691C #1C773C

split-complementary

#1C2A77 #773C1C #58771C

monochromatic

#060919 #101945 #1C2A77 #283BA9 #3C53D1

Accessibility & contrast

On white

12.75

#1C2A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1C2A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A77

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A77	#FFFFFF	#000000	##FFFFFF
##1C2A77	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377A

Deuteranopia (green-blind)

#002E76

Tritanopia (blue-blind)

#003E4C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2a77;
/* rgb */ color: rgb(28, 42, 119);
/* oklch */ color: oklch(32.8% 0.132 269.6);

Tailwind

colors: {
  custom: {
    50: '#67639f',
    500: '#1c2a77',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a77;
$custom-light: #67639f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a77",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 119
  },
  "hsl": {
    "h": 230.769,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32776,
    "c": 0.13202,
    "h": 269.6
  },
  "luminance": 0.03235
}

Semantic roles & 50–950 ramp

primary

#1C2A77

secondary

#AB9B44

accent

#CC43E5

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050F

muted

#7A797E

Preview Lab

Preview with #1C2A77

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

Preview Lab → · Contrast checker → · Palette generator →