#1C2891#1C2891

#1C2891 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.170 H 269.4°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#1C2891
RGB	rgb(28, 40, 145)
HSL	hsl(234, 68%, 34%)
HSV	hsv(234, 81%, 57%)
CMYK	cmyk(80.7%, 72.4%, 0%, 43.1%)
CIE-LAB	lab(23.03, 34.63, -58.65)
CIE-LCH	lch(23.03, 68.11, 300.56°)
OKLab	oklab(35.06% -0.0019 -0.1699)
OKLCH	oklch(35.06% 0.17 269.4)
XYZ	xyz(6.3468, 3.8081, 27.1831)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2891 #91851C

analogous

#1C6391 #1C2891 #4B1C91

triadic

#1C2891 #911C28 #28911C

tetradic

#1C2891 #911C63 #91851C #1C914B

square

#1C2891 #911C63 #91851C #1C914B

split-complementary

#1C2891 #914B1C #63911C

monochromatic

#080C2A #121A5E #1C2891 #2636C4 #4B5ADC

Accessibility & contrast

On white

11.92

#1C2891 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1C2891 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2891

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2891	#FFFFFF	#000000	##FFFFFF
##1C2891	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D94

Deuteranopia (green-blind)

#00318F

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c2891;
/* rgb */ color: rgb(28, 40, 145);
/* oklch */ color: oklch(35.1% 0.170 269.4);

Tailwind

colors: {
  custom: {
    50: '#6e62b2',
    500: '#1c2891',
    950: '#000000',
  },
}

SCSS

$custom: #1c2891;
$custom-light: #6e62b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2891",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 145
  },
  "hsl": {
    "h": 233.846,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35064,
    "c": 0.16988,
    "h": 269.4
  },
  "luminance": 0.03809
}

Semantic roles & 50–950 ramp

primary

#1C2891

secondary

#BEB34A

accent

#D93DEB

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1C2891

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

Preview Lab → · Contrast checker → · Palette generator →