#1A358D#1A358D

#1A358D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.150 H 266.0°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#1A358D
RGB	rgb(26, 53, 141)
HSL	hsl(226, 69%, 33%)
HSV	hsv(226, 82%, 55%)
CMYK	cmyk(81.6%, 62.4%, 0%, 44.7%)
CIE-LAB	lab(25.83, 24.23, -51.58)
CIE-LCH	lch(25.83, 56.98, 295.17°)
OKLab	oklab(36.97% -0.0105 -0.1492)
OKLCH	oklch(36.97% 0.15 266)
XYZ	xyz(6.5051, 4.6881, 25.7562)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A358D #8D721A

analogous

#1A6E8D #1A358D #381A8D

triadic

#1A358D #8D1A35 #358D1A

tetradic

#1A358D #8D1A6E #8D721A #1A8D38

square

#1A358D #8D1A6E #8D721A #1A8D38

split-complementary

#1A358D #8D381A #6E8D1A

monochromatic

#070E26 #102259 #1A358D #2448C1 #4568DD

Accessibility & contrast

On white

10.84

#1A358D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1A358D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A358D

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A358D	#FFFFFF	#000000	##FFFFFF
##1A358D	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004390

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a358d;
/* rgb */ color: rgb(26, 53, 141);
/* oklch */ color: oklch(37.0% 0.150 266.0);

Tailwind

colors: {
  custom: {
    50: '#6b6baf',
    500: '#1a358d',
    950: '#000000',
  },
}

SCSS

$custom: #1a358d;
$custom-light: #6b6baf;
$custom-dark: #000000;

JSON

{
  "hex": "#1a358d",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 141
  },
  "hsl": {
    "h": 225.913,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36973,
    "c": 0.14953,
    "h": 266
  },
  "luminance": 0.04689
}

Semantic roles & 50–950 ramp

primary

#1A358D

secondary

#BEA245

accent

#C23CEC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1A358D

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

Preview Lab → · Contrast checker → · Palette generator →