#1A2B81#1A2B81

#1A2B81 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.8% C 0.145 H 268.4°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#1A2B81
RGB	rgb(26, 43, 129)
HSL	hsl(230, 66%, 30%)
HSV	hsv(230, 80%, 51%)
CMYK	cmyk(79.8%, 66.7%, 0%, 49.4%)
CIE-LAB	lab(22.06, 26.38, -50.24)
CIE-LCH	lch(22.06, 56.75, 297.70°)
OKLab	oklab(33.85% -0.0041 -0.1454)
OKLCH	oklch(33.85% 0.145 268.4)
XYZ	xyz(5.2510, 3.5318, 21.1696)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2B81 #81701A

analogous

#1A5E81 #1A2B81 #3C1A81

triadic

#1A2B81 #811A2B #2B811A

tetradic

#1A2B81 #811A5E #81701A #1A813C

square

#1A2B81 #811A5E #81701A #1A813C

split-complementary

#1A2B81 #813C1A #5E811A

monochromatic

#05091B #101A4E #1A2B81 #243CB4 #3D57D8

Accessibility & contrast

On white

12.31

#1A2B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1A2B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2B81

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2B81	#FFFFFF	#000000	##FFFFFF
##1A2B81	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A84

Deuteranopia (green-blind)

#00307F

Tritanopia (blue-blind)

#004252

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a2b81;
/* rgb */ color: rgb(26, 43, 129);
/* oklch */ color: oklch(33.8% 0.145 268.4);

Tailwind

colors: {
  custom: {
    50: '#6964a6',
    500: '#1a2b81',
    950: '#000000',
  },
}

SCSS

$custom: #1a2b81;
$custom-light: #6964a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2b81",
  "rgb": {
    "r": 26,
    "g": 43,
    "b": 129
  },
  "hsl": {
    "h": 230.097,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33847,
    "c": 0.14544,
    "h": 268.4
  },
  "luminance": 0.03532
}

Semantic roles & 50–950 ramp

primary

#1A2B81

secondary

#B5A242

accent

#CD3EE9

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1A2B81

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

Preview Lab → · Contrast checker → · Palette generator →