#1C2587#1C2587

#1C2587 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.160 H 270.3°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C2587
RGB	rgb(28, 37, 135)
HSL	hsl(235, 66%, 32%)
HSV	hsv(235, 79%, 53%)
CMYK	cmyk(79.3%, 72.6%, 0%, 47.1%)
CIE-LAB	lab(21.28, 32.86, -55.30)
CIE-LCH	lch(21.28, 64.32, 300.72°)
OKLab	oklab(33.49% 0.0008 -0.1601)
OKLCH	oklch(33.49% 0.16 270.3)
XYZ	xyz(5.5121, 3.3187, 23.2670)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2587 #877E1C

analogous

#1C5B87 #1C2587 #491C87

triadic

#1C2587 #871C25 #25871C

tetradic

#1C2587 #871C5B #877E1C #1C8749

square

#1C2587 #871C5B #877E1C #1C8749

split-complementary

#1C2587 #87491C #5B871C

monochromatic

#070922 #111754 #1C2587 #2733BA #4551D8

Accessibility & contrast

On white

12.62

#1C2587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1C2587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2587

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2587	#FFFFFF	#000000	##FFFFFF
##1C2587	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388A

Deuteranopia (green-blind)

#002E85

Tritanopia (blue-blind)

#004153

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c2587;
/* rgb */ color: rgb(28, 37, 135);
/* oklch */ color: oklch(33.5% 0.160 270.3);

Tailwind

colors: {
  custom: {
    50: '#6c60ab',
    500: '#1c2587',
    950: '#000000',
  },
}

SCSS

$custom: #1c2587;
$custom-light: #6c60ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2587",
  "rgb": {
    "r": 28,
    "g": 37,
    "b": 135
  },
  "hsl": {
    "h": 234.953,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33489,
    "c": 0.16011,
    "h": 270.3
  },
  "luminance": 0.03319
}

Semantic roles & 50–950 ramp

primary

#1C2587

secondary

#BAB045

accent

#DA3FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C2587

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

Preview Lab → · Contrast checker → · Palette generator →