#1A1BB3#1A1BB3

#1A1BB3 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.2% C 0.223 H 268.4°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#1A1BB3
RGB	rgb(26, 27, 179)
HSL	hsl(240, 75%, 40%)
HSV	hsv(240, 85%, 70%)
CMYK	cmyk(85.5%, 84.9%, 0%, 29.8%)
CIE-LAB	lab(24.50, 52.91, -76.89)
CIE-LCH	lch(24.50, 93.33, 304.53°)
OKLab	oklab(37.24% -0.0063 -0.2226)
OKLCH	oklch(37.24% 0.223 268.4)
XYZ	xyz(8.9518, 4.2570, 42.9890)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1BB3 #B3B21A

analogous

#1A67B3 #1A1BB3 #661AB3

triadic

#1A1BB3 #B31A1B #1BB31A

tetradic

#1A1BB3 #B31A67 #B3B21A #1AB366

square

#1A1BB3 #B31A67 #B3B21A #1AB366

split-complementary

#1A1BB3 #B3661A #67B31A

monochromatic

#0A0B48 #12137E #1A1BB3 #2A2BE0 #6060E8

Accessibility & contrast

On white

11.34

#1A1BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1A1BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1BB3

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1BB3	#FFFFFF	#000000	##FFFFFF
##1A1BB3	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B7

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004E6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a1bb3;
/* rgb */ color: rgb(26, 27, 179);
/* oklch */ color: oklch(37.2% 0.223 268.4);

Tailwind

colors: {
  custom: {
    50: '#785dcb',
    500: '#1a1bb3',
    950: '#000000',
  },
}

SCSS

$custom: #1a1bb3;
$custom-light: #785dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1bb3",
  "rgb": {
    "r": 26,
    "g": 27,
    "b": 179
  },
  "hsl": {
    "h": 239.608,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37235,
    "c": 0.22267,
    "h": 268.4
  },
  "luminance": 0.04258
}

Semantic roles & 50–950 ramp

primary

#1A1BB3

secondary

#CCCB5D

accent

#F037F1

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #1A1BB3

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

Preview Lab → · Contrast checker → · Palette generator →