#1C2D87#1C2D87

#1C2D87 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.9% C 0.151 H 268.6°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D87
RGB	rgb(28, 45, 135)
HSL	hsl(230, 66%, 32%)
HSV	hsv(230, 79%, 53%)
CMYK	cmyk(79.3%, 66.7%, 0%, 47.1%)
CIE-LAB	lab(23.24, 27.57, -52.06)
CIE-LCH	lch(23.24, 58.91, 297.90°)
OKLab	oklab(34.92% -0.0036 -0.1506)
OKLCH	oklch(34.92% 0.151 268.6)
XYZ	xyz(5.7889, 3.8723, 23.3593)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D87 #87761C

analogous

#1C6387 #1C2D87 #401C87

triadic

#1C2D87 #871C2D #2D871C

tetradic

#1C2D87 #871C63 #87761C #1C8740

square

#1C2D87 #871C63 #87761C #1C8740

split-complementary

#1C2D87 #87401C #63871C

monochromatic

#070B22 #111C54 #1C2D87 #273EBA #455CD8

Accessibility & contrast

On white

11.83

#1C2D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1C2D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D87

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D87	#FFFFFF	#000000	##FFFFFF
##1C2D87	1.00	11.83	1.77	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8A

Deuteranopia (green-blind)

#003285

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c2d87;
/* rgb */ color: rgb(28, 45, 135);
/* oklch */ color: oklch(34.9% 0.151 268.6);

Tailwind

colors: {
  custom: {
    50: '#6b66ab',
    500: '#1c2d87',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d87;
$custom-light: #6b66ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d87",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 135
  },
  "hsl": {
    "h": 230.467,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34919,
    "c": 0.15068,
    "h": 268.6
  },
  "luminance": 0.03873
}

Semantic roles & 50–950 ramp

primary

#1C2D87

secondary

#BAA745

accent

#CE3FE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1C2D87

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

Preview Lab → · Contrast checker → · Palette generator →