#1A2F79#1A2F79

#1A2F79 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.9% C 0.129 H 267.0°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#1A2F79
RGB	rgb(26, 47, 121)
HSL	hsl(227, 65%, 29%)
HSV	hsv(227, 79%, 47%)
CMYK	cmyk(78.5%, 61.2%, 0%, 52.5%)
CIE-LAB	lab(22.42, 20.40, -44.59)
CIE-LCH	lch(22.42, 49.04, 294.58°)
OKLab	oklab(33.89% -0.0067 -0.1288)
OKLCH	oklch(33.89% 0.129 267)
XYZ	xyz(4.8925, 3.6326, 18.5288)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2F79 #79641A

analogous

#1A5F79 #1A2F79 #351A79

triadic

#1A2F79 #791A2F #2F791A

tetradic

#1A2F79 #791A5F #79641A #1A7935

square

#1A2F79 #791A5F #79641A #1A7935

split-complementary

#1A2F79 #79351A #5F791A

monochromatic

#050A19 #0F1B47 #1A2F79 #2543AB #395BD4

Accessibility & contrast

On white

12.16

#1A2F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1A2F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2F79

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2F79	#FFFFFF	#000000	##FFFFFF
##1A2F79	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7B

Deuteranopia (green-blind)

#003178

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a2f79;
/* rgb */ color: rgb(26, 47, 121);
/* oklch */ color: oklch(33.9% 0.129 267.0);

Tailwind

colors: {
  custom: {
    50: '#6667a0',
    500: '#1a2f79',
    950: '#000000',
  },
}

SCSS

$custom: #1a2f79;
$custom-light: #6667a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2f79",
  "rgb": {
    "r": 26,
    "g": 47,
    "b": 121
  },
  "hsl": {
    "h": 226.737,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.33887,
    "c": 0.12893,
    "h": 267
  },
  "luminance": 0.03633
}

Semantic roles & 50–950 ramp

primary

#1A2F79

secondary

#AD9641

accent

#C340E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #1A2F79

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

Preview Lab → · Contrast checker → · Palette generator →