#1A347B#1A347B

#1A347B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.1% C 0.125 H 265.2°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#1A347B
RGB	rgb(26, 52, 123)
HSL	hsl(224, 65%, 29%)
HSV	hsv(224, 79%, 48%)
CMYK	cmyk(78.9%, 57.7%, 0%, 51.8%)
CIE-LAB	lab(24.02, 17.67, -43.26)
CIE-LCH	lch(24.02, 46.73, 292.22°)
OKLab	oklab(35.14% -0.0105 -0.1248)
OKLCH	oklch(35.14% 0.125 265.2)
XYZ	xyz(5.2279, 4.1051, 19.2519)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A347B #7B611A

analogous

#1A657B #1A347B #311A7B

triadic

#1A347B #7B1A34 #347B1A

tetradic

#1A347B #7B1A65 #7B611A #1A7B31

square

#1A347B #7B1A65 #7B611A #1A7B31

split-complementary

#1A347B #7B311A #657B1A

monochromatic

#050B19 #0F1F48 #1A347B #2549AE #3A64D5

Accessibility & contrast

On white

11.53

#1A347B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1A347B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A347B

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A347B	#FFFFFF	#000000	##FFFFFF
##1A347B	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7D

Deuteranopia (green-blind)

#00357A

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a347b;
/* rgb */ color: rgb(26, 52, 123);
/* oklch */ color: oklch(35.1% 0.125 265.2);

Tailwind

colors: {
  custom: {
    50: '#676ba2',
    500: '#1a347b',
    950: '#000000',
  },
}

SCSS

$custom: #1a347b;
$custom-light: #676ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a347b",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 123
  },
  "hsl": {
    "h": 223.918,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35139,
    "c": 0.1252,
    "h": 265.2
  },
  "luminance": 0.04106
}

Semantic roles & 50–950 ramp

primary

#1A347B

secondary

#AF9242

accent

#BB40E8

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1A347B

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

Preview Lab → · Contrast checker → · Palette generator →