#1A2879#1A2879

#1A2879 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.5% C 0.138 H 269.3°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#1A2879
RGB	rgb(26, 40, 121)
HSL	hsl(231, 65%, 29%)
HSV	hsv(231, 79%, 47%)
CMYK	cmyk(78.5%, 66.9%, 0%, 52.5%)
CIE-LAB	lab(20.51, 25.31, -47.72)
CIE-LCH	lch(20.51, 54.01, 297.94°)
OKLab	oklab(32.47% -0.0018 -0.138)
OKLCH	oklch(32.47% 0.138 269.3)
XYZ	xyz(4.6348, 3.1172, 18.4429)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2879 #796B1A

analogous

#1A5879 #1A2879 #3C1A79

triadic

#1A2879 #791A28 #28791A

tetradic

#1A2879 #791A58 #796B1A #1A793C

square

#1A2879 #791A58 #796B1A #1A793C

split-complementary

#1A2879 #793C1A #58791A

monochromatic

#050819 #0F1747 #1A2879 #2539AB #3950D4

Accessibility & contrast

On white

12.93

#1A2879 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1A2879 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2879

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2879	#FFFFFF	#000000	##FFFFFF
##1A2879	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367C

Deuteranopia (green-blind)

#002D77

Tritanopia (blue-blind)

#003D4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1a2879;
/* rgb */ color: rgb(26, 40, 121);
/* oklch */ color: oklch(32.5% 0.138 269.3);

Tailwind

colors: {
  custom: {
    50: '#6761a1',
    500: '#1a2879',
    950: '#000000',
  },
}

SCSS

$custom: #1a2879;
$custom-light: #6761a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2879",
  "rgb": {
    "r": 26,
    "g": 40,
    "b": 121
  },
  "hsl": {
    "h": 231.158,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32472,
    "c": 0.13801,
    "h": 269.3
  },
  "luminance": 0.03118
}

Semantic roles & 50–950 ramp

primary

#1A2879

secondary

#AD9D41

accent

#CF40E8

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1A2879

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

Preview Lab → · Contrast checker → · Palette generator →