#1A2379#1A2379

#1A2379 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.5% C 0.144 H 270.5°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#1A2379
RGB	rgb(26, 35, 121)
HSL	hsl(234, 65%, 29%)
HSV	hsv(234, 79%, 47%)
CMYK	cmyk(78.5%, 71.1%, 0%, 52.5%)
CIE-LAB	lab(19.23, 28.71, -49.81)
CIE-LCH	lch(19.23, 57.49, 299.96°)
OKLab	oklab(31.54% 0.0013 -0.1441)
OKLCH	oklch(31.54% 0.144 270.5)
XYZ	xyz(4.4770, 2.8017, 18.3903)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2379 #79701A

analogous

#1A5379 #1A2379 #411A79

triadic

#1A2379 #791A23 #23791A

tetradic

#1A2379 #791A53 #79701A #1A7941

square

#1A2379 #791A53 #79701A #1A7941

split-complementary

#1A2379 #79411A #53791A

monochromatic

#050719 #0F1447 #1A2379 #2532AB #3948D4

Accessibility & contrast

On white

13.46

#1A2379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1A2379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2379

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2379	#FFFFFF	#000000	##FFFFFF
##1A2379	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337C

Deuteranopia (green-blind)

#002A77

Tritanopia (blue-blind)

#003B4B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a2379;
/* rgb */ color: rgb(26, 35, 121);
/* oklch */ color: oklch(31.5% 0.144 270.5);

Tailwind

colors: {
  custom: {
    50: '#685ea1',
    500: '#1a2379',
    950: '#000000',
  },
}

SCSS

$custom: #1a2379;
$custom-light: #685ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2379",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 121
  },
  "hsl": {
    "h": 234.316,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31542,
    "c": 0.14416,
    "h": 270.5
  },
  "luminance": 0.02802
}

Semantic roles & 50–950 ramp

primary

#1A2379

secondary

#ADA341

accent

#D840E8

background

#F6F5FA

surface

#EBE9F3

border

#C6C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A2379

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

Preview Lab → · Contrast checker → · Palette generator →