#1A348B#1A348B

#1A348B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.148 H 266.2°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#1A348B
RGB	rgb(26, 52, 139)
HSL	hsl(226, 68%, 32%)
HSV	hsv(226, 81%, 55%)
CMYK	cmyk(81.3%, 62.6%, 0%, 45.5%)
CIE-LAB	lab(25.38, 24.13, -51.07)
CIE-LCH	lch(25.38, 56.48, 295.29°)
OKLab	oklab(36.59% -0.0099 -0.1477)
OKLCH	oklch(36.59% 0.148 266.2)
XYZ	xyz(6.3126, 4.5389, 24.9645)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A348B #8B711A

analogous

#1A6C8B #1A348B #391A8B

triadic

#1A348B #8B1A34 #348B1A

tetradic

#1A348B #8B1A6C #8B711A #1A8B39

square

#1A348B #8B1A6C #8B711A #1A8B39

split-complementary

#1A348B #8B391A #6C8B1A

monochromatic

#070D24 #102157 #1A348B #2447BF #4367DC

Accessibility & contrast

On white

11.01

#1A348B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1A348B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A348B

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A348B	#FFFFFF	#000000	##FFFFFF
##1A348B	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428E

Deuteranopia (green-blind)

#003789

Tritanopia (blue-blind)

#004A5A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a348b;
/* rgb */ color: rgb(26, 52, 139);
/* oklch */ color: oklch(36.6% 0.148 266.2);

Tailwind

colors: {
  custom: {
    50: '#6b6bae',
    500: '#1a348b',
    950: '#000000',
  },
}

SCSS

$custom: #1a348b;
$custom-light: #6b6bae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a348b",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 139
  },
  "hsl": {
    "h": 226.195,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36585,
    "c": 0.14801,
    "h": 266.2
  },
  "luminance": 0.0454
}

Semantic roles & 50–950 ramp

primary

#1A348B

secondary

#BDA144

accent

#C33CEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1A348B

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

Preview Lab → · Contrast checker → · Palette generator →