#1C2987#1C2987

#1C2987 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.156 H 269.5°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#1C2987
RGB	rgb(28, 41, 135)
HSL	hsl(233, 66%, 32%)
HSV	hsv(233, 79%, 53%)
CMYK	cmyk(79.3%, 69.6%, 0%, 47.1%)
CIE-LAB	lab(22.24, 30.25, -53.72)
CIE-LCH	lch(22.24, 61.65, 299.38°)
OKLab	oklab(34.18% -0.0013 -0.1555)
OKLCH	oklch(34.18% 0.156 269.5)
XYZ	xyz(5.6435, 3.5814, 23.3108)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2987 #877A1C

analogous

#1C5F87 #1C2987 #441C87

triadic

#1C2987 #871C29 #29871C

tetradic

#1C2987 #871C5F #877A1C #1C8744

square

#1C2987 #871C5F #877A1C #1C8744

split-complementary

#1C2987 #87441C #5F871C

monochromatic

#070A22 #111A54 #1C2987 #2738BA #4557D8

Accessibility & contrast

On white

12.23

#1C2987 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1C2987 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2987

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2987	#FFFFFF	#000000	##FFFFFF
##1C2987	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8A

Deuteranopia (green-blind)

#003085

Tritanopia (blue-blind)

#004354

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2987;
/* rgb */ color: rgb(28, 41, 135);
/* oklch */ color: oklch(34.2% 0.156 269.5);

Tailwind

colors: {
  custom: {
    50: '#6b63ab',
    500: '#1c2987',
    950: '#000000',
  },
}

SCSS

$custom: #1c2987;
$custom-light: #6b63ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2987",
  "rgb": {
    "r": 28,
    "g": 41,
    "b": 135
  },
  "hsl": {
    "h": 232.71,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34182,
    "c": 0.15551,
    "h": 269.5
  },
  "luminance": 0.03582
}

Semantic roles & 50–950 ramp

primary

#1C2987

secondary

#BAAC45

accent

#D43FE9

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C2987

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

Preview Lab → · Contrast checker → · Palette generator →