#1A129F#1A129F

#1A129F is a dark, highly saturated blue. Relative luminance 0.032; OKLCH L 33.9% C 0.206 H 269.7°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#1A129F
RGB	rgb(26, 18, 159)
HSL	hsl(243, 80%, 35%)
HSV	hsv(243, 89%, 62%)
CMYK	cmyk(83.6%, 88.7%, 0%, 37.6%)
CIE-LAB	lab(20.65, 50.58, -71.20)
CIE-LCH	lch(20.65, 87.34, 305.39°)
OKLab	oklab(33.86% -0.001 -0.2059)
OKLCH	oklch(33.86% 0.206 269.7)
XYZ	xyz(6.8982, 3.1546, 33.0395)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A129F #979F12

analogous

#12519F #1A129F #60129F

triadic

#1A129F #9F1A12 #129F1A

tetradic

#1A129F #9F1251 #979F12 #129F60

square

#1A129F #9F1251 #979F12 #129F60

split-complementary

#1A129F #9F6012 #519F12

monochromatic

#080631 #110C68 #1A129F #2318D6 #4B42EA

Accessibility & contrast

On white

12.88

#1A129F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1A129F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A129F

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A129F	#FFFFFF	#000000	##FFFFFF
##1A129F	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)

#0039A3

Deuteranopia (green-blind)

#002A9D

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a129f;
/* rgb */ color: rgb(26, 18, 159);
/* oklch */ color: oklch(33.9% 0.206 269.7);

Tailwind

colors: {
  custom: {
    50: '#7457bd',
    500: '#1a129f',
    950: '#000000',
  },
}

SCSS

$custom: #1a129f;
$custom-light: #7457bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a129f",
  "rgb": {
    "r": 26,
    "g": 18,
    "b": 159
  },
  "hsl": {
    "h": 243.404,
    "s": 79.661,
    "l": 34.706
  },
  "oklch": {
    "l": 0.33855,
    "c": 0.20595,
    "h": 269.7
  },
  "luminance": 0.03155
}

Semantic roles & 50–950 ramp

primary

#1A129F

secondary

#C2CA43

accent

#F632EB

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0312

muted

#7C7881

Preview Lab

Preview with #1A129F

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

Preview Lab → · Contrast checker → · Palette generator →