#1A3283#1A3283

#1A3283 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.139 H 266.4°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#1A3283
RGB	rgb(26, 50, 131)
HSL	hsl(226, 67%, 31%)
HSV	hsv(226, 80%, 51%)
CMYK	cmyk(80.2%, 61.8%, 0%, 48.6%)
CIE-LAB	lab(24.13, 22.32, -48.12)
CIE-LCH	lch(24.13, 53.05, 294.88°)
OKLab	oklab(35.43% -0.0086 -0.1391)
OKLCH	oklch(35.43% 0.139 266.4)
XYZ	xyz(5.6619, 4.1389, 21.9688)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3283 #836B1A

analogous

#1A6683 #1A3283 #361A83

triadic

#1A3283 #831A32 #32831A

tetradic

#1A3283 #831A66 #836B1A #1A8336

square

#1A3283 #831A66 #836B1A #1A8336

split-complementary

#1A3283 #83361A #66831A

monochromatic

#060B1D #101F50 #1A3283 #2445B6 #3F62D9

Accessibility & contrast

On white

11.49

#1A3283 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1A3283 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3283

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3283	#FFFFFF	#000000	##FFFFFF
##1A3283	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E86

Deuteranopia (green-blind)

#003581

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a3283;
/* rgb */ color: rgb(26, 50, 131);
/* oklch */ color: oklch(35.4% 0.139 266.4);

Tailwind

colors: {
  custom: {
    50: '#6969a8',
    500: '#1a3283',
    950: '#000000',
  },
}

SCSS

$custom: #1a3283;
$custom-light: #6969a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3283",
  "rgb": {
    "r": 26,
    "g": 50,
    "b": 131
  },
  "hsl": {
    "h": 226.286,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35433,
    "c": 0.13934,
    "h": 266.4
  },
  "luminance": 0.0414
}

Semantic roles & 50–950 ramp

primary

#1A3283

secondary

#B79C42

accent

#C33EEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1A3283

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

Preview Lab → · Contrast checker → · Palette generator →