#1A2C81#1A2C81

#1A2C81 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.144 H 268.1°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#1A2C81
RGB	rgb(26, 44, 129)
HSL	hsl(230, 66%, 30%)
HSV	hsv(230, 80%, 51%)
CMYK	cmyk(79.8%, 65.9%, 0%, 49.4%)
CIE-LAB	lab(22.32, 25.70, -49.81)
CIE-LCH	lch(22.32, 56.05, 297.29°)
OKLab	oklab(34.04% -0.0047 -0.1441)
OKLCH	oklch(34.04% 0.144 268.1)
XYZ	xyz(5.2878, 3.6054, 21.1818)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2C81 #816F1A

analogous

#1A5F81 #1A2C81 #3C1A81

triadic

#1A2C81 #811A2C #2C811A

tetradic

#1A2C81 #811A5F #816F1A #1A813C

square

#1A2C81 #811A5F #816F1A #1A813C

split-complementary

#1A2C81 #813C1A #5F811A

monochromatic

#05091B #101B4E #1A2C81 #243DB4 #3D58D8

Accessibility & contrast

On white

12.20

#1A2C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1A2C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2C81

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2C81	#FFFFFF	#000000	##FFFFFF
##1A2C81	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A84

Deuteranopia (green-blind)

#00317F

Tritanopia (blue-blind)

#004252

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a2c81;
/* rgb */ color: rgb(26, 44, 129);
/* oklch */ color: oklch(34.0% 0.144 268.1);

Tailwind

colors: {
  custom: {
    50: '#6965a6',
    500: '#1a2c81',
    950: '#000000',
  },
}

SCSS

$custom: #1a2c81;
$custom-light: #6965a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2c81",
  "rgb": {
    "r": 26,
    "g": 44,
    "b": 129
  },
  "hsl": {
    "h": 229.515,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3404,
    "c": 0.14419,
    "h": 268.1
  },
  "luminance": 0.03606
}

Semantic roles & 50–950 ramp

primary

#1A2C81

secondary

#B5A142

accent

#CC3EE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1A2C81

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

Preview Lab → · Contrast checker → · Palette generator →