#1A348F#1A348F

#1A348F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.154 H 266.3°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#1A348F
RGB	rgb(26, 52, 143)
HSL	hsl(227, 69%, 33%)
HSV	hsv(227, 82%, 56%)
CMYK	cmyk(81.8%, 63.6%, 0%, 43.9%)
CIE-LAB	lab(25.74, 25.72, -52.96)
CIE-LCH	lch(25.74, 58.87, 295.90°)
OKLab	oklab(36.96% -0.0099 -0.1532)
OKLCH	oklch(36.96% 0.154 266.3)
XYZ	xyz(6.6102, 4.6580, 26.5320)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A348F #8F751A

analogous

#1A6E8F #1A348F #3B1A8F

triadic

#1A348F #8F1A34 #348F1A

tetradic

#1A348F #8F1A6E #8F751A #1A8F3B

square

#1A348F #8F1A6E #8F751A #1A8F3B

split-complementary

#1A348F #8F3B1A #6E8F1A

monochromatic

#070E27 #11215B #1A348F #2347C3 #4668DD

Accessibility & contrast

On white

10.87

#1A348F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1A348F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A348F

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A348F	#FFFFFF	#000000	##FFFFFF
##1A348F	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004392

Deuteranopia (green-blind)

#00388D

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a348f;
/* rgb */ color: rgb(26, 52, 143);
/* oklch */ color: oklch(37.0% 0.154 266.3);

Tailwind

colors: {
  custom: {
    50: '#6c6bb1',
    500: '#1a348f',
    950: '#000000',
  },
}

SCSS

$custom: #1a348f;
$custom-light: #6c6bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a348f",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 143
  },
  "hsl": {
    "h": 226.667,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36962,
    "c": 0.15355,
    "h": 266.3
  },
  "luminance": 0.04659
}

Semantic roles & 50–950 ramp

primary

#1A348F

secondary

#BFA446

accent

#C53CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A348F

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

Preview Lab → · Contrast checker → · Palette generator →