#1A108D#1A108D

#1A108D is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.3% C 0.187 H 271.2°. Best body text is #FFFFFF at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#1A108D
RGB	rgb(26, 16, 141)
HSL	hsl(245, 80%, 31%)
HSV	hsv(245, 89%, 55%)
CMYK	cmyk(81.6%, 88.7%, 0%, 44.7%)
CIE-LAB	lab(17.98, 45.97, -64.53)
CIE-LCH	lch(17.98, 79.23, 305.47°)
OKLab	oklab(31.35% 0.0039 -0.1866)
OKLCH	oklch(31.35% 0.187 271.2)
XYZ	xyz(5.4174, 2.5127, 25.3936)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A108D #838D10

analogous

#10448D #1A108D #58108D

triadic

#1A108D #8D1A10 #108D1A

tetradic

#1A108D #8D1044 #838D10 #108D58

square

#1A108D #8D1044 #838D10 #108D58

split-complementary

#1A108D #8D5810 #448D10

monochromatic

#06041F #100A56 #1A108D #2416C4 #3F30E7

Accessibility & contrast

On white

13.98

#1A108D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A108D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A108D

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A108D	#FFFFFF	#000000	##FFFFFF
##1A108D	1.00	13.98	1.50	13.98
#FFFFFF	13.98	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003290

Deuteranopia (green-blind)

#00268B

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a108d;
/* rgb */ color: rgb(26, 16, 141);
/* oklch */ color: oklch(31.3% 0.187 271.2);

Tailwind

colors: {
  custom: {
    50: '#6f54b0',
    500: '#1a108d',
    950: '#000000',
  },
}

SCSS

$custom: #1a108d;
$custom-light: #6f54b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a108d",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 141
  },
  "hsl": {
    "h": 244.8,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31348,
    "c": 0.18667,
    "h": 271.2
  },
  "luminance": 0.02513
}

Semantic roles & 50–950 ramp

primary

#1A108D

secondary

#B7C237

accent

#F632E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1A108D

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

Preview Lab → · Contrast checker → · Palette generator →