#1C2489#1C2489

#1C2489 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.164 H 270.3°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#1C2489
RGB	rgb(28, 36, 137)
HSL	hsl(236, 66%, 32%)
HSV	hsv(236, 80%, 54%)
CMYK	cmyk(79.6%, 73.7%, 0%, 46.3%)
CIE-LAB	lab(21.26, 34.23, -56.58)
CIE-LCH	lch(21.26, 66.13, 301.17°)
OKLab	oklab(33.54% 0.001 -0.1638)
OKLCH	oklch(33.54% 0.164 270.3)
XYZ	xyz(5.6236, 3.3141, 24.0054)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2489 #89811C

analogous

#1C5B89 #1C2489 #4A1C89

triadic

#1C2489 #891C24 #24891C

tetradic

#1C2489 #891C5B #89811C #1C894A

square

#1C2489 #891C5B #89811C #1C894A

split-complementary

#1C2489 #894A1C #5B891C

monochromatic

#070923 #121756 #1C2489 #2631BC #4651D9

Accessibility & contrast

On white

12.63

#1C2489 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1C2489 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2489

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2489	#FFFFFF	#000000	##FFFFFF
##1C2489	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388C

Deuteranopia (green-blind)

#002E87

Tritanopia (blue-blind)

#004154

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c2489;
/* rgb */ color: rgb(28, 36, 137);
/* oklch */ color: oklch(33.5% 0.164 270.3);

Tailwind

colors: {
  custom: {
    50: '#6d5fad',
    500: '#1c2489',
    950: '#000000',
  },
}

SCSS

$custom: #1c2489;
$custom-light: #6d5fad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2489",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 137
  },
  "hsl": {
    "h": 235.596,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.3354,
    "c": 0.16384,
    "h": 270.3
  },
  "luminance": 0.03315
}

Semantic roles & 50–950 ramp

primary

#1C2489

secondary

#BBB246

accent

#DD3FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C2489

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

Preview Lab → · Contrast checker → · Palette generator →