#1C2B87#1C2B87

#1C2B87 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.5% C 0.153 H 269.1°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B87
RGB	rgb(28, 43, 135)
HSL	hsl(232, 66%, 32%)
HSV	hsv(232, 79%, 53%)
CMYK	cmyk(79.3%, 68.1%, 0%, 47.1%)
CIE-LAB	lab(22.73, 28.92, -52.90)
CIE-LCH	lch(22.73, 60.29, 298.66°)
OKLab	oklab(34.55% -0.0025 -0.1531)
OKLCH	oklch(34.55% 0.153 269.1)
XYZ	xyz(5.7144, 3.7233, 23.3345)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B87 #87781C

analogous

#1C6187 #1C2B87 #431C87

triadic

#1C2B87 #871C2B #2B871C

tetradic

#1C2B87 #871C61 #87781C #1C8743

square

#1C2B87 #871C61 #87781C #1C8743

split-complementary

#1C2B87 #87431C #61871C

monochromatic

#070B22 #111B54 #1C2B87 #273BBA #455AD8

Accessibility & contrast

On white

12.04

#1C2B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C2B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B87

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B87	#FFFFFF	#000000	##FFFFFF
##1C2B87	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8A

Deuteranopia (green-blind)

#003185

Tritanopia (blue-blind)

#004455

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2b87;
/* rgb */ color: rgb(28, 43, 135);
/* oklch */ color: oklch(34.5% 0.153 269.1);

Tailwind

colors: {
  custom: {
    50: '#6b64ab',
    500: '#1c2b87',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b87;
$custom-light: #6b64ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b87",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 135
  },
  "hsl": {
    "h": 231.589,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34546,
    "c": 0.15312,
    "h": 269.1
  },
  "luminance": 0.03724
}

Semantic roles & 50–950 ramp

primary

#1C2B87

secondary

#BAAA45

accent

#D13FE9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1C2B87

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

Preview Lab → · Contrast checker → · Palette generator →