#1A2B7E#1A2B7E

#1A2B7E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.141 H 268.4°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#1A2B7E
RGB	rgb(26, 43, 126)
HSL	hsl(230, 66%, 30%)
HSV	hsv(230, 79%, 49%)
CMYK	cmyk(79.4%, 65.9%, 0%, 50.6%)
CIE-LAB	lab(21.77, 25.20, -48.82)
CIE-LCH	lch(21.77, 54.94, 297.31°)
OKLab	oklab(33.55% -0.0039 -0.1412)
OKLCH	oklch(33.55% 0.141 268.4)
XYZ	xyz(5.0545, 3.4532, 20.1348)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2B7E #7E6D1A

analogous

#1A5D7E #1A2B7E #3B1A7E

triadic

#1A2B7E #7E1A2B #2B7E1A

tetradic

#1A2B7E #7E1A5D #7E6D1A #1A7E3B

square

#1A2B7E #7E1A5D #7E6D1A #1A7E3B

split-complementary

#1A2B7E #7E3B1A #5D7E1A

monochromatic

#050919 #101A4B #1A2B7E #243CB1 #3C56D7

Accessibility & contrast

On white

12.42

#1A2B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1A2B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2B7E

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2B7E	#FFFFFF	#000000	##FFFFFF
##1A2B7E	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003981

Deuteranopia (green-blind)

#00307C

Tritanopia (blue-blind)

#004150

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a2b7e;
/* rgb */ color: rgb(26, 43, 126);
/* oklch */ color: oklch(33.6% 0.141 268.4);

Tailwind

colors: {
  custom: {
    50: '#6864a4',
    500: '#1a2b7e',
    950: '#000000',
  },
}

SCSS

$custom: #1a2b7e;
$custom-light: #6864a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2b7e",
  "rgb": {
    "r": 26,
    "g": 43,
    "b": 126
  },
  "hsl": {
    "h": 229.8,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3355,
    "c": 0.14124,
    "h": 268.4
  },
  "luminance": 0.03454
}

Semantic roles & 50–950 ramp

primary

#1A2B7E

secondary

#B29F42

accent

#CC3FE9

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1A2B7E

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

Preview Lab → · Contrast checker → · Palette generator →