#1A358B#1A358B

#1A358B is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.147 H 265.9°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#1A358B
RGB	rgb(26, 53, 139)
HSL	hsl(226, 68%, 32%)
HSV	hsv(226, 81%, 55%)
CMYK	cmyk(81.3%, 61.9%, 0%, 45.5%)
CIE-LAB	lab(25.65, 23.44, -50.62)
CIE-LCH	lch(25.65, 55.78, 294.84°)
OKLab	oklab(36.79% -0.0105 -0.1464)
OKLCH	oklch(36.79% 0.147 265.9)
XYZ	xyz(6.3577, 4.6292, 24.9795)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A358B #8B701A

analogous

#1A6D8B #1A358B #381A8B

triadic

#1A358B #8B1A35 #358B1A

tetradic

#1A358B #8B1A6D #8B701A #1A8B38

square

#1A358B #8B1A6D #8B701A #1A8B38

split-complementary

#1A358B #8B381A #6D8B1A

monochromatic

#070E24 #102157 #1A358B #2449BF #4368DC

Accessibility & contrast

On white

10.90

#1A358B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1A358B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A358B

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A358B	#FFFFFF	#000000	##FFFFFF
##1A358B	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a358b;
/* rgb */ color: rgb(26, 53, 139);
/* oklch */ color: oklch(36.8% 0.147 265.9);

Tailwind

colors: {
  custom: {
    50: '#6b6bae',
    500: '#1a358b',
    950: '#000000',
  },
}

SCSS

$custom: #1a358b;
$custom-light: #6b6bae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a358b",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 139
  },
  "hsl": {
    "h": 225.664,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36787,
    "c": 0.14674,
    "h": 265.9
  },
  "luminance": 0.0463
}

Semantic roles & 50–950 ramp

primary

#1A358B

secondary

#BDA044

accent

#C23CEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1A358B

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

Preview Lab → · Contrast checker → · Palette generator →