#1A338A#1A338A

#1A338A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.148 H 266.4°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#1A338A
RGB	rgb(26, 51, 138)
HSL	hsl(227, 68%, 32%)
HSV	hsv(227, 81%, 54%)
CMYK	cmyk(81.2%, 63%, 0%, 45.9%)
CIE-LAB	lab(25.02, 24.42, -51.03)
CIE-LCH	lch(25.02, 56.58, 295.57°)
OKLab	oklab(36.29% -0.0092 -0.1476)
OKLCH	oklch(36.29% 0.148 266.4)
XYZ	xyz(6.1957, 4.4215, 24.5667)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A338A #8A711A

analogous

#1A6B8A #1A338A #391A8A

triadic

#1A338A #8A1A33 #338A1A

tetradic

#1A338A #8A1A6B #8A711A #1A8A39

square

#1A338A #8A1A6B #8A711A #1A8A39

split-complementary

#1A338A #8A391A #6B8A1A

monochromatic

#070D23 #102057 #1A338A #2446BD #4365DC

Accessibility & contrast

On white

11.14

#1A338A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1A338A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A338A

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A338A	#FFFFFF	#000000	##FFFFFF
##1A338A	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418D

Deuteranopia (green-blind)

#003688

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1a338a;
/* rgb */ color: rgb(26, 51, 138);
/* oklch */ color: oklch(36.3% 0.148 266.4);

Tailwind

colors: {
  custom: {
    50: '#6b6aad',
    500: '#1a338a',
    950: '#000000',
  },
}

SCSS

$custom: #1a338a;
$custom-light: #6b6aad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a338a",
  "rgb": {
    "r": 26,
    "g": 51,
    "b": 138
  },
  "hsl": {
    "h": 226.607,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3629,
    "c": 0.14789,
    "h": 266.4
  },
  "luminance": 0.04422
}

Semantic roles & 50–950 ramp

primary

#1A338A

secondary

#BDA243

accent

#C43DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1A338A

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

Preview Lab → · Contrast checker → · Palette generator →