#1A2878#1A2878

#1A2878 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.4% C 0.137 H 269.3°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A2878
RGB	rgb(26, 40, 120)
HSL	hsl(231, 64%, 29%)
HSV	hsv(231, 78%, 47%)
CMYK	cmyk(78.3%, 66.7%, 0%, 52.9%)
CIE-LAB	lab(20.41, 24.92, -47.23)
CIE-LCH	lch(20.41, 53.40, 297.81°)
OKLab	oklab(32.37% -0.0017 -0.1366)
OKLCH	oklch(32.37% 0.137 269.3)
XYZ	xyz(4.5738, 3.0928, 18.1216)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2878 #786A1A

analogous

#1A5778 #1A2878 #3B1A78

triadic

#1A2878 #781A28 #28781A

tetradic

#1A2878 #781A57 #786A1A #1A783B

square

#1A2878 #781A57 #786A1A #1A783B

split-complementary

#1A2878 #783B1A #57781A

monochromatic

#050819 #0F1746 #1A2878 #2539AA #3850D4

Accessibility & contrast

On white

12.97

#1A2878 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1A2878 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2878

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2878	#FFFFFF	#000000	##FFFFFF
##1A2878	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367B

Deuteranopia (green-blind)

#002D76

Tritanopia (blue-blind)

#003D4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1a2878;
/* rgb */ color: rgb(26, 40, 120);
/* oklch */ color: oklch(32.4% 0.137 269.3);

Tailwind

colors: {
  custom: {
    50: '#6761a0',
    500: '#1a2878',
    950: '#000000',
  },
}

SCSS

$custom: #1a2878;
$custom-light: #6761a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2878",
  "rgb": {
    "r": 26,
    "g": 40,
    "b": 120
  },
  "hsl": {
    "h": 231.064,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32373,
    "c": 0.1366,
    "h": 269.3
  },
  "luminance": 0.03093
}

Semantic roles & 50–950 ramp

primary

#1A2878

secondary

#AC9D41

accent

#CF40E7

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050F

muted

#7A797E

Preview Lab

Preview with #1A2878

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

Preview Lab → · Contrast checker → · Palette generator →