#1C2887#1C2887

#1C2887 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.0% C 0.157 H 269.7°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#1C2887
RGB	rgb(28, 40, 135)
HSL	hsl(233, 66%, 32%)
HSV	hsv(233, 79%, 53%)
CMYK	cmyk(79.3%, 70.4%, 0%, 47.1%)
CIE-LAB	lab(21.99, 30.91, -54.12)
CIE-LCH	lch(21.99, 62.33, 299.73°)
OKLab	oklab(34.01% -0.0008 -0.1567)
OKLCH	oklch(34.01% 0.157 269.7)
XYZ	xyz(5.6094, 3.5131, 23.2994)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2887 #877B1C

analogous

#1C5E87 #1C2887 #461C87

triadic

#1C2887 #871C28 #28871C

tetradic

#1C2887 #871C5E #877B1C #1C8746

square

#1C2887 #871C5E #877B1C #1C8746

split-complementary

#1C2887 #87461C #5E871C

monochromatic

#070A22 #111954 #1C2887 #2737BA #4556D8

Accessibility & contrast

On white

12.33

#1C2887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C2887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2887

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2887	#FFFFFF	#000000	##FFFFFF
##1C2887	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8A

Deuteranopia (green-blind)

#003085

Tritanopia (blue-blind)

#004254

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2887;
/* rgb */ color: rgb(28, 40, 135);
/* oklch */ color: oklch(34.0% 0.157 269.7);

Tailwind

colors: {
  custom: {
    50: '#6c62ab',
    500: '#1c2887',
    950: '#000000',
  },
}

SCSS

$custom: #1c2887;
$custom-light: #6c62ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2887",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 135
  },
  "hsl": {
    "h": 233.271,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34005,
    "c": 0.15668,
    "h": 269.7
  },
  "luminance": 0.03514
}

Semantic roles & 50–950 ramp

primary

#1C2887

secondary

#BAAD45

accent

#D63FE9

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C2887

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

Preview Lab → · Contrast checker → · Palette generator →