#1A1B87#1A1B87

#1A1B87 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.171 H 270.9°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#1A1B87
RGB	rgb(26, 27, 135)
HSL	hsl(239, 68%, 32%)
HSV	hsv(239, 81%, 53%)
CMYK	cmyk(80.7%, 80%, 0%, 47.1%)
CIE-LAB	lab(19.02, 38.73, -59.03)
CIE-LCH	lch(19.02, 70.60, 303.27°)
OKLab	oklab(31.86% 0.0027 -0.1709)
OKLCH	oklch(31.86% 0.171 270.9)
XYZ	xyz(5.1896, 2.7522, 23.1747)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1B87 #87861A

analogous

#1A5287 #1A1B87 #501A87

triadic

#1A1B87 #871A1B #1B871A

tetradic

#1A1B87 #871A52 #87861A #1A8750

square

#1A1B87 #871A52 #87861A #1A8750

split-complementary

#1A1B87 #87501A #52871A

monochromatic

#060620 #101154 #1A1B87 #2425BA #4142DA

Accessibility & contrast

On white

13.54

#1A1B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1A1B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1B87

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1B87	#FFFFFF	#000000	##FFFFFF
##1A1B87	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348A

Deuteranopia (green-blind)

#002985

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a1b87;
/* rgb */ color: rgb(26, 27, 135);
/* oklch */ color: oklch(31.9% 0.171 270.9);

Tailwind

colors: {
  custom: {
    50: '#6c59ab',
    500: '#1a1b87',
    950: '#000000',
  },
}

SCSS

$custom: #1a1b87;
$custom-light: #6c59ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1b87",
  "rgb": {
    "r": 26,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 239.45,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31855,
    "c": 0.17094,
    "h": 270.9
  },
  "luminance": 0.02753
}

Semantic roles & 50–950 ramp

primary

#1A1B87

secondary

#BAB942

accent

#E93DEB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1A1B87

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

Preview Lab → · Contrast checker → · Palette generator →