#1A1CB3#1A1CB3

#1A1CB3 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.3% C 0.222 H 268.3°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#1A1CB3
RGB	rgb(26, 28, 179)
HSL	hsl(239, 75%, 40%)
HSV	hsv(239, 85%, 70%)
CMYK	cmyk(85.5%, 84.4%, 0%, 29.8%)
CIE-LAB	lab(24.65, 52.47, -76.64)
CIE-LCH	lch(24.65, 92.88, 304.39°)
OKLab	oklab(37.34% -0.0064 -0.2219)
OKLCH	oklch(37.34% 0.222 268.3)
XYZ	xyz(8.9752, 4.3037, 42.9967)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1CB3 #B3B11A

analogous

#1A68B3 #1A1CB3 #651AB3

triadic

#1A1CB3 #B31A1C #1CB31A

tetradic

#1A1CB3 #B31A68 #B3B11A #1AB365

square

#1A1CB3 #B31A68 #B3B11A #1AB365

split-complementary

#1A1CB3 #B3651A #68B31A

monochromatic

#0A0B48 #12147E #1A1CB3 #2A2CE0 #6061E8

Accessibility & contrast

On white

11.28

#1A1CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1A1CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1CB3

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1CB3	#FFFFFF	#000000	##FFFFFF
##1A1CB3	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B7

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004E6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1a1cb3;
/* rgb */ color: rgb(26, 28, 179);
/* oklch */ color: oklch(37.3% 0.222 268.3);

Tailwind

colors: {
  custom: {
    50: '#785dcb',
    500: '#1a1cb3',
    950: '#000000',
  },
}

SCSS

$custom: #1a1cb3;
$custom-light: #785dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1cb3",
  "rgb": {
    "r": 26,
    "g": 28,
    "b": 179
  },
  "hsl": {
    "h": 239.216,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37336,
    "c": 0.22199,
    "h": 268.3
  },
  "luminance": 0.04305
}

Semantic roles & 50–950 ramp

primary

#1A1CB3

secondary

#CCCB5D

accent

#EF37F1

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #1A1CB3

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

Preview Lab → · Contrast checker → · Palette generator →