#1C2D91#1C2D91

#1C2D91 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.164 H 268.5°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D91
RGB	rgb(28, 45, 145)
HSL	hsl(231, 68%, 34%)
HSV	hsv(231, 81%, 57%)
CMYK	cmyk(80.7%, 69%, 0%, 43.1%)
CIE-LAB	lab(24.22, 31.40, -56.69)
CIE-LCH	lch(24.22, 64.80, 298.98°)
OKLab	oklab(35.93% -0.0043 -0.1641)
OKLCH	oklch(35.93% 0.164 268.5)
XYZ	xyz(6.5263, 4.1672, 27.2430)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D91 #91801C

analogous

#1C6891 #1C2D91 #461C91

triadic

#1C2D91 #911C2D #2D911C

tetradic

#1C2D91 #911C68 #91801C #1C9146

square

#1C2D91 #911C68 #91801C #1C9146

split-complementary

#1C2D91 #91461C #68911C

monochromatic

#080D2A #121D5E #1C2D91 #263DC4 #4B60DC

Accessibility & contrast

On white

11.45

#1C2D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1C2D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D91

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D91	#FFFFFF	#000000	##FFFFFF
##1C2D91	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F94

Deuteranopia (green-blind)

#00348F

Tritanopia (blue-blind)

#00485B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c2d91;
/* rgb */ color: rgb(28, 45, 145);
/* oklch */ color: oklch(35.9% 0.164 268.5);

Tailwind

colors: {
  custom: {
    50: '#6e66b2',
    500: '#1c2d91',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d91;
$custom-light: #6e66b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d91",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 145
  },
  "hsl": {
    "h": 231.282,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35926,
    "c": 0.16421,
    "h": 268.5
  },
  "luminance": 0.04168
}

Semantic roles & 50–950 ramp

primary

#1C2D91

secondary

#BEAE4A

accent

#D13DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1C2D91

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

Preview Lab → · Contrast checker → · Palette generator →