#1C2F63#1C2F63

#1C2F63 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.1% C 0.095 H 266.1°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F63
RGB	rgb(28, 47, 99)
HSL	hsl(224, 56%, 25%)
HSV	hsv(224, 72%, 39%)
CMYK	cmyk(71.7%, 52.5%, 0%, 61.2%)
CIE-LAB	lab(20.75, 11.75, -33.10)
CIE-LCH	lch(20.75, 35.13, 289.55°)
OKLab	oklab(32.1% -0.0065 -0.0949)
OKLCH	oklch(32.1% 0.095 266.1)
XYZ	xyz(3.7468, 3.1804, 12.2184)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F63 #63501C

analogous

#1C5263 #1C2F63 #2D1C63

triadic

#1C2F63 #631C2F #2F631C

tetradic

#1C2F63 #631C52 #63501C #1C632D

square

#1C2F63 #631C52 #63501C #1C632D

split-complementary

#1C2F63 #632D1C #52631C

monochromatic

#070B18 #0F1833 #1C2F63 #294693 #375CC2

Accessibility & contrast

On white

12.83

#1C2F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1C2F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F63

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F63	#FFFFFF	#000000	##FFFFFF
##1C2F63	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123565

Deuteranopia (green-blind)

#012F62

Tritanopia (blue-blind)

#003B44

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2f63;
/* rgb */ color: rgb(28, 47, 99);
/* oklch */ color: oklch(32.1% 0.095 266.1);

Tailwind

colors: {
  custom: {
    50: '#626790',
    500: '#1c2f63',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f63;
$custom-light: #626790;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f63",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 99
  },
  "hsl": {
    "h": 223.944,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.32101,
    "c": 0.09514,
    "h": 266.1
  },
  "luminance": 0.03181
}

Semantic roles & 50–950 ramp

primary

#1C2F63

secondary

#988143

accent

#B749DF

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1C2F63

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

Preview Lab → · Contrast checker → · Palette generator →