#1A347D#1A347D

#1A347D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.3% C 0.128 H 265.4°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#1A347D
RGB	rgb(26, 52, 125)
HSL	hsl(224, 66%, 30%)
HSV	hsv(224, 79%, 49%)
CMYK	cmyk(79.2%, 58.4%, 0%, 51%)
CIE-LAB	lab(24.18, 18.48, -44.26)
CIE-LCH	lch(24.18, 47.96, 292.67°)
OKLab	oklab(35.31% -0.0103 -0.1277)
OKLCH	oklch(35.31% 0.128 265.4)
XYZ	xyz(5.3544, 4.1557, 19.9180)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A347D #7D631A

analogous

#1A667D #1A347D #311A7D

triadic

#1A347D #7D1A34 #347D1A

tetradic

#1A347D #7D1A66 #7D631A #1A7D31

square

#1A347D #7D1A66 #7D631A #1A7D31

split-complementary

#1A347D #7D311A #667D1A

monochromatic

#050B19 #0F1F4A #1A347D #2549B0 #3B64D6

Accessibility & contrast

On white

11.47

#1A347D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1A347D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A347D

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A347D	#FFFFFF	#000000	##FFFFFF
##1A347D	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E80

Deuteranopia (green-blind)

#00357C

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a347d;
/* rgb */ color: rgb(26, 52, 125);
/* oklch */ color: oklch(35.3% 0.128 265.4);

Tailwind

colors: {
  custom: {
    50: '#676ba3',
    500: '#1a347d',
    950: '#000000',
  },
}

SCSS

$custom: #1a347d;
$custom-light: #676ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a347d",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 125
  },
  "hsl": {
    "h": 224.242,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.35314,
    "c": 0.12811,
    "h": 265.4
  },
  "luminance": 0.04156
}

Semantic roles & 50–950 ramp

primary

#1A347D

secondary

#B19442

accent

#BC3FE9

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1A347D

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

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