#1A1B8D#1A1B8D

#1A1B8D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.178 H 270.5°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#1A1B8D
RGB	rgb(26, 27, 141)
HSL	hsl(239, 69%, 33%)
HSV	hsv(239, 82%, 55%)
CMYK	cmyk(81.6%, 80.9%, 0%, 44.7%)
CIE-LAB	lab(19.74, 40.77, -61.59)
CIE-LCH	lch(19.74, 73.86, 303.50°)
OKLab	oklab(32.57% 0.0015 -0.1783)
OKLCH	oklch(32.57% 0.178 270.5)
XYZ	xyz(5.6240, 2.9259, 25.4625)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1B8D #8D8C1A

analogous

#1A558D #1A1B8D #521A8D

triadic

#1A1B8D #8D1A1B #1B8D1A

tetradic

#1A1B8D #8D1A55 #8D8C1A #1A8D52

square

#1A1B8D #8D1A55 #8D8C1A #1A8D52

split-complementary

#1A1B8D #8D521A #558D1A

monochromatic

#070726 #101159 #1A1B8D #2425C1 #4546DD

Accessibility & contrast

On white

13.25

#1A1B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1A1B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1B8D

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1B8D	#FFFFFF	#000000	##FFFFFF
##1A1B8D	1.00	13.25	1.59	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003590

Deuteranopia (green-blind)

#002A8B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1a1b8d;
/* rgb */ color: rgb(26, 27, 141);
/* oklch */ color: oklch(32.6% 0.178 270.5);

Tailwind

colors: {
  custom: {
    50: '#6e5ab0',
    500: '#1a1b8d',
    950: '#000000',
  },
}

SCSS

$custom: #1a1b8d;
$custom-light: #6e5ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1b8d",
  "rgb": {
    "r": 26,
    "g": 27,
    "b": 141
  },
  "hsl": {
    "h": 239.478,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32571,
    "c": 0.17835,
    "h": 270.5
  },
  "luminance": 0.02927
}

Semantic roles & 50–950 ramp

primary

#1A1B8D

secondary

#BEBD45

accent

#EA3CEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1A1B8D

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

Preview Lab → · Contrast checker → · Palette generator →