#1A1B76#1A1B76

#1A1B76 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.149 H 272.3°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#1A1B76
RGB	rgb(26, 27, 118)
HSL	hsl(239, 64%, 28%)
HSV	hsv(239, 78%, 46%)
CMYK	cmyk(78%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(17.04, 32.74, -51.49)
CIE-LCH	lch(17.04, 61.02, 302.45°)
OKLab	oklab(29.87% 0.0061 -0.149)
OKLCH	oklch(29.87% 0.149 272.3)
XYZ	xyz(4.0868, 2.3111, 17.3667)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1B76 #76751A

analogous

#1A4976 #1A1B76 #471A76

triadic

#1A1B76 #761A1B #1B761A

tetradic

#1A1B76 #761A49 #76751A #1A7647

square

#1A1B76 #761A49 #76751A #1A7647

split-complementary

#1A1B76 #76471A #49761A

monochromatic

#060619 #0F1044 #1A1B76 #2526A8 #3739D3

Accessibility & contrast

On white

14.36

#1A1B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1A1B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1B76

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1B76	#FFFFFF	#000000	##FFFFFF
##1A1B76	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E79

Deuteranopia (green-blind)

#002574

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1a1b76;
/* rgb */ color: rgb(26, 27, 118);
/* oklch */ color: oklch(29.9% 0.149 272.3);

Tailwind

colors: {
  custom: {
    50: '#68589f',
    500: '#1a1b76',
    950: '#000000',
  },
}

SCSS

$custom: #1a1b76;
$custom-light: #68589f;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1b76",
  "rgb": {
    "r": 26,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 239.348,
    "s": 63.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29873,
    "c": 0.14916,
    "h": 272.3
  },
  "luminance": 0.02311
}

Semantic roles & 50–950 ramp

primary

#1A1B76

secondary

#ABA941

accent

#E541E7

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1A1B76

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

Preview Lab → · Contrast checker → · Palette generator →