#1A2374#1A2374

#1A2374 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.0% C 0.137 H 270.8°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#1A2374
RGB	rgb(26, 35, 116)
HSL	hsl(234, 63%, 28%)
HSV	hsv(234, 78%, 45%)
CMYK	cmyk(77.6%, 69.8%, 0%, 54.5%)
CIE-LAB	lab(18.72, 26.79, -47.44)
CIE-LCH	lch(18.72, 54.48, 299.46°)
OKLab	oklab(31.02% 0.0018 -0.1372)
OKLCH	oklch(31.02% 0.137 270.8)
XYZ	xyz(4.1783, 2.6822, 16.8171)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2374 #746B1A

analogous

#1A5074 #1A2374 #3E1A74

triadic

#1A2374 #741A23 #23741A

tetradic

#1A2374 #741A50 #746B1A #1A743E

square

#1A2374 #741A50 #746B1A #1A743E

split-complementary

#1A2374 #743E1A #50741A

monochromatic

#060819 #0F1442 #1A2374 #2532A6 #3646D2

Accessibility & contrast

On white

13.67

#1A2374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1A2374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2374

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2374	#FFFFFF	#000000	##FFFFFF
##1A2374	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003277

Deuteranopia (green-blind)

#002972

Tritanopia (blue-blind)

#003948

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a2374;
/* rgb */ color: rgb(26, 35, 116);
/* oklch */ color: oklch(31.0% 0.137 270.8);

Tailwind

colors: {
  custom: {
    50: '#665e9d',
    500: '#1a2374',
    950: '#000000',
  },
}

SCSS

$custom: #1a2374;
$custom-light: #665e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2374",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 116
  },
  "hsl": {
    "h": 234,
    "s": 63.38,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31018,
    "c": 0.13723,
    "h": 270.8
  },
  "luminance": 0.02683
}

Semantic roles & 50–950 ramp

primary

#1A2374

secondary

#A99E41

accent

#D641E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1A2374

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

Preview Lab → · Contrast checker → · Palette generator →