#1A1689#1A1689

#1A1689 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.5% C 0.178 H 271.2°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1A1689
RGB	rgb(26, 22, 137)
HSL	hsl(242, 72%, 31%)
HSV	hsv(242, 84%, 54%)
CMYK	cmyk(81%, 83.9%, 0%, 46.3%)
CIE-LAB	lab(18.36, 42.03, -61.38)
CIE-LCH	lch(18.36, 74.39, 304.40°)
OKLab	oklab(31.46% 0.0037 -0.1777)
OKLCH	oklch(31.46% 0.178 271.2)
XYZ	xyz(5.2267, 2.5990, 23.8882)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1689 #858916

analogous

#164B89 #1A1689 #531689

triadic

#1A1689 #891A16 #16891A

tetradic

#1A1689 #89164B #858916 #168953

square

#1A1689 #89164B #858916 #168953

split-complementary

#1A1689 #895316 #4B8916

monochromatic

#060520 #100E54 #1A1689 #241EBE #403ADF

Accessibility & contrast

On white

13.82

#1A1689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1A1689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1689

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1689	#FFFFFF	#000000	##FFFFFF
##1A1689	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328C

Deuteranopia (green-blind)

#002787

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1a1689;
/* rgb */ color: rgb(26, 22, 137);
/* oklch */ color: oklch(31.5% 0.178 271.2);

Tailwind

colors: {
  custom: {
    50: '#6d57ad',
    500: '#1a1689',
    950: '#000000',
  },
}

SCSS

$custom: #1a1689;
$custom-light: #6d57ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1689",
  "rgb": {
    "r": 26,
    "g": 22,
    "b": 137
  },
  "hsl": {
    "h": 242.087,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31464,
    "c": 0.1777,
    "h": 271.2
  },
  "luminance": 0.026
}

Semantic roles & 50–950 ramp

primary

#1A1689

secondary

#B8BD3E

accent

#EF39E9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1A1689

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

Preview Lab → · Contrast checker → · Palette generator →