#1A347C#1A347C

#1A347C is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.127 H 265.3°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#1A347C
RGB	rgb(26, 52, 124)
HSL	hsl(224, 65%, 29%)
HSV	hsv(224, 79%, 49%)
CMYK	cmyk(79%, 58.1%, 0%, 51.4%)
CIE-LAB	lab(24.10, 18.08, -43.76)
CIE-LCH	lch(24.10, 47.35, 292.45°)
OKLab	oklab(35.23% -0.0104 -0.1262)
OKLCH	oklch(35.23% 0.127 265.3)
XYZ	xyz(5.2908, 4.1302, 19.5832)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A347C #7C621A

analogous

#1A657C #1A347C #311A7C

triadic

#1A347C #7C1A34 #347C1A

tetradic

#1A347C #7C1A65 #7C621A #1A7C31

square

#1A347C #7C1A65 #7C621A #1A7C31

split-complementary

#1A347C #7C311A #657C1A

monochromatic

#050B19 #0F1F49 #1A347C #2549AF #3B64D6

Accessibility & contrast

On white

11.50

#1A347C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1A347C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A347C

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A347C	#FFFFFF	#000000	##FFFFFF
##1A347C	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7E

Deuteranopia (green-blind)

#00357B

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a347c;
/* rgb */ color: rgb(26, 52, 124);
/* oklch */ color: oklch(35.2% 0.127 265.3);

Tailwind

colors: {
  custom: {
    50: '#676ba3',
    500: '#1a347c',
    950: '#000000',
  },
}

SCSS

$custom: #1a347c;
$custom-light: #676ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a347c",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 124
  },
  "hsl": {
    "h": 224.082,
    "s": 65.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35226,
    "c": 0.12666,
    "h": 265.3
  },
  "luminance": 0.04131
}

Semantic roles & 50–950 ramp

primary

#1A347C

secondary

#B09342

accent

#BC40E8

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1A347C

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

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