#1C2B77#1C2B77

#1C2B77 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.131 H 269.2°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B77
RGB	rgb(28, 43, 119)
HSL	hsl(230, 62%, 29%)
HSV	hsv(230, 76%, 47%)
CMYK	cmyk(76.5%, 63.9%, 0%, 53.3%)
CIE-LAB	lab(21.23, 22.68, -45.25)
CIE-LCH	lch(21.23, 50.62, 296.62°)
OKLab	oklab(32.98% -0.0018 -0.1307)
OKLCH	oklch(32.98% 0.131 269.2)
XYZ	xyz(4.6714, 3.3060, 17.8411)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B77 #77681C

analogous

#1C5977 #1C2B77 #3B1C77

triadic

#1C2B77 #771C2B #2B771C

tetradic

#1C2B77 #771C59 #77681C #1C773B

square

#1C2B77 #771C59 #77681C #1C773B

split-complementary

#1C2B77 #773B1C #59771C

monochromatic

#060919 #101945 #1C2B77 #283DA9 #3C55D1

Accessibility & contrast

On white

12.64

#1C2B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1C2B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B77

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B77	#FFFFFF	#000000	##FFFFFF
##1C2B77	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003779

Deuteranopia (green-blind)

#002F76

Tritanopia (blue-blind)

#003E4C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c2b77;
/* rgb */ color: rgb(28, 43, 119);
/* oklch */ color: oklch(33.0% 0.131 269.2);

Tailwind

colors: {
  custom: {
    50: '#67649f',
    500: '#1c2b77',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b77;
$custom-light: #67649f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b77",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 119
  },
  "hsl": {
    "h": 230.11,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32977,
    "c": 0.13071,
    "h": 269.2
  },
  "luminance": 0.03307
}

Semantic roles & 50–950 ramp

primary

#1C2B77

secondary

#AB9A44

accent

#CA43E5

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1C2B77

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

Preview Lab → · Contrast checker → · Palette generator →