#1C2D77#1C2D77

#1C2D77 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.4% C 0.128 H 268.5°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D77
RGB	rgb(28, 45, 119)
HSL	hsl(229, 62%, 29%)
HSV	hsv(229, 76%, 47%)
CMYK	cmyk(76.5%, 62.2%, 0%, 53.3%)
CIE-LAB	lab(21.78, 21.27, -44.35)
CIE-LCH	lch(21.78, 49.19, 295.62°)
OKLab	oklab(33.39% -0.0033 -0.128)
OKLCH	oklch(33.39% 0.128 268.5)
XYZ	xyz(4.7459, 3.4551, 17.8660)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D77 #77661C

analogous

#1C5B77 #1C2D77 #391C77

triadic

#1C2D77 #771C2D #2D771C

tetradic

#1C2D77 #771C5B #77661C #1C7739

square

#1C2D77 #771C5B #77661C #1C7739

split-complementary

#1C2D77 #77391C #5B771C

monochromatic

#060919 #101A45 #1C2D77 #2840A9 #3C58D1

Accessibility & contrast

On white

12.42

#1C2D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D77

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D77	#FFFFFF	#000000	##FFFFFF
##1C2D77	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003979

Deuteranopia (green-blind)

#003076

Tritanopia (blue-blind)

#00404D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2d77;
/* rgb */ color: rgb(28, 45, 119);
/* oklch */ color: oklch(33.4% 0.128 268.5);

Tailwind

colors: {
  custom: {
    50: '#67659f',
    500: '#1c2d77',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d77;
$custom-light: #67659f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d77",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 119
  },
  "hsl": {
    "h": 228.791,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.33386,
    "c": 0.12808,
    "h": 268.5
  },
  "luminance": 0.03456
}

Semantic roles & 50–950 ramp

primary

#1C2D77

secondary

#AB9844

accent

#C743E5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1C2D77

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

Preview Lab → · Contrast checker → · Palette generator →