#1A139E#1A139E

#1A139E is a dark, highly saturated blue. Relative luminance 0.032; OKLCH L 33.8% C 0.204 H 269.8°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#1A139E
RGB	rgb(26, 19, 158)
HSL	hsl(243, 79%, 35%)
HSV	hsv(243, 88%, 62%)
CMYK	cmyk(83.5%, 88%, 0%, 38%)
CIE-LAB	lab(20.65, 49.89, -70.60)
CIE-LCH	lch(20.65, 86.45, 305.25°)
OKLab	oklab(33.81% -0.0008 -0.2042)
OKLCH	oklch(33.81% 0.204 269.8)
XYZ	xyz(6.8283, 3.1532, 32.5899)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A139E #979E13

analogous

#13519E #1A139E #60139E

triadic

#1A139E #9E1A13 #139E1A

tetradic

#1A139E #9E1351 #979E13 #139E60

square

#1A139E #9E1351 #979E13 #139E60

split-complementary

#1A139E #9E6013 #519E13

monochromatic

#080631 #110C67 #1A139E #231AD5 #4B43E8

Accessibility & contrast

On white

12.88

#1A139E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1A139E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A139E

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A139E	#FFFFFF	#000000	##FFFFFF
##1A139E	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0038A2

Deuteranopia (green-blind)

#002A9C

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a139e;
/* rgb */ color: rgb(26, 19, 158);
/* oklch */ color: oklch(33.8% 0.204 269.8);

Tailwind

colors: {
  custom: {
    50: '#7357bc',
    500: '#1a139e',
    950: '#000000',
  },
}

SCSS

$custom: #1a139e;
$custom-light: #7357bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a139e",
  "rgb": {
    "r": 26,
    "g": 19,
    "b": 158
  },
  "hsl": {
    "h": 243.022,
    "s": 78.531,
    "l": 34.706
  },
  "oklch": {
    "l": 0.33814,
    "c": 0.20424,
    "h": 269.8
  },
  "luminance": 0.03154
}

Semantic roles & 50–950 ramp

primary

#1A139E

secondary

#C2C944

accent

#F533EB

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0312

muted

#7C7881

Preview Lab

Preview with #1A139E

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

Preview Lab → · Contrast checker → · Palette generator →