#1A147B#1A147B

#1A147B is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.5% C 0.162 H 272.7°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#1A147B
RGB	rgb(26, 20, 123)
HSL	hsl(243, 72%, 28%)
HSV	hsv(243, 84%, 48%)
CMYK	cmyk(78.9%, 83.7%, 0%, 51.8%)
CIE-LAB	lab(16.25, 38.45, -56.01)
CIE-LCH	lch(16.25, 67.93, 304.47°)
OKLab	oklab(29.49% 0.0078 -0.162)
OKLCH	oklch(29.49% 0.162 272.7)
XYZ	xyz(4.2501, 2.1495, 18.9260)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A147B #757B14

analogous

#14417B #1A147B #4D147B

triadic

#1A147B #7B1A14 #147B1A

tetradic

#1A147B #7B1441 #757B14 #147B4D

square

#1A147B #7B1441 #757B14 #147B4D

split-complementary

#1A147B #7B4D14 #417B14

monochromatic

#06041A #0F0B46 #1A147B #251DB0 #372DDD

Accessibility & contrast

On white

14.69

#1A147B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1A147B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A147B

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A147B	#FFFFFF	#000000	##FFFFFF
##1A147B	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7E

Deuteranopia (green-blind)

#002379

Tritanopia (blue-blind)

#003448

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1a147b;
/* rgb */ color: rgb(26, 20, 123);
/* oklch */ color: oklch(29.5% 0.162 272.7);

Tailwind

colors: {
  custom: {
    50: '#6a55a2',
    500: '#1a147b',
    950: '#000000',
  },
}

SCSS

$custom: #1a147b;
$custom-light: #6a55a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a147b",
  "rgb": {
    "r": 26,
    "g": 20,
    "b": 123
  },
  "hsl": {
    "h": 243.495,
    "s": 72.028,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29493,
    "c": 0.16224,
    "h": 272.7
  },
  "luminance": 0.0215
}

Semantic roles & 50–950 ramp

primary

#1A147B

secondary

#AAB13A

accent

#EF39E4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A147B

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

Preview Lab → · Contrast checker → · Palette generator →