#1C2DA1#1C2DA1

#1C2DA1 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.185 H 268.2°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#1C2DA1
RGB	rgb(28, 45, 161)
HSL	hsl(232, 70%, 37%)
HSV	hsv(232, 83%, 63%)
CMYK	cmyk(82.6%, 72%, 0%, 36.9%)
CIE-LAB	lab(25.85, 37.34, -63.80)
CIE-LCH	lch(25.85, 73.92, 300.34°)
OKLab	oklab(37.6% -0.0058 -0.1849)
OKLCH	oklch(37.6% 0.185 268.2)
XYZ	xyz(7.8481, 4.6959, 34.2041)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2DA1 #A1901C

analogous

#1C70A1 #1C2DA1 #4E1CA1

triadic

#1C2DA1 #A11C2D #2DA11C

tetradic

#1C2DA1 #A11C70 #A1901C #1CA14E

square

#1C2DA1 #A11C70 #A1901C #1CA14E

split-complementary

#1C2DA1 #A14E1C #70A11C

monochromatic

#0A1039 #131E6D #1C2DA1 #253CD5 #5668E2

Accessibility & contrast

On white

10.83

#1C2DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1C2DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2DA1

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2DA1	#FFFFFF	#000000	##FFFFFF
##1C2DA1	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A4

Deuteranopia (green-blind)

#00379F

Tritanopia (blue-blind)

#004E64

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c2da1;
/* rgb */ color: rgb(28, 45, 161);
/* oklch */ color: oklch(37.6% 0.185 268.2);

Tailwind

colors: {
  custom: {
    50: '#7266be',
    500: '#1c2da1',
    950: '#000000',
  },
}

SCSS

$custom: #1c2da1;
$custom-light: #7266be;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2da1",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 161
  },
  "hsl": {
    "h": 232.331,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.376,
    "c": 0.18498,
    "h": 268.2
  },
  "luminance": 0.04697
}

Semantic roles & 50–950 ramp

primary

#1C2DA1

secondary

#C5B654

accent

#D63BED

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1C2DA1

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

Preview Lab → · Contrast checker → · Palette generator →