#1A358A#1A358A

#1A358A is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.7% C 0.145 H 265.8°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#1A358A
RGB	rgb(26, 53, 138)
HSL	hsl(226, 68%, 32%)
HSV	hsv(226, 81%, 54%)
CMYK	cmyk(81.2%, 61.6%, 0%, 45.9%)
CIE-LAB	lab(25.56, 23.03, -50.14)
CIE-LCH	lch(25.56, 55.18, 294.67°)
OKLab	oklab(36.7% -0.0105 -0.145)
OKLCH	oklch(36.7% 0.145 265.8)
XYZ	xyz(6.2849, 4.6001, 24.5965)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A358A #8A6F1A

analogous

#1A6D8A #1A358A #371A8A

triadic

#1A358A #8A1A35 #358A1A

tetradic

#1A358A #8A1A6D #8A6F1A #1A8A37

square

#1A358A #8A1A6D #8A6F1A #1A8A37

split-complementary

#1A358A #8A371A #6D8A1A

monochromatic

#070D23 #102157 #1A358A #2449BD #4368DC

Accessibility & contrast

On white

10.94

#1A358A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1A358A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A358A

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A358A	#FFFFFF	#000000	##FFFFFF
##1A358A	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428D

Deuteranopia (green-blind)

#003888

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a358a;
/* rgb */ color: rgb(26, 53, 138);
/* oklch */ color: oklch(36.7% 0.145 265.8);

Tailwind

colors: {
  custom: {
    50: '#6b6bad',
    500: '#1a358a',
    950: '#000000',
  },
}

SCSS

$custom: #1a358a;
$custom-light: #6b6bad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a358a",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 138
  },
  "hsl": {
    "h": 225.536,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36695,
    "c": 0.14534,
    "h": 265.8
  },
  "luminance": 0.04601
}

Semantic roles & 50–950 ramp

primary

#1A358A

secondary

#BD9F43

accent

#C13DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1A358A

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

Preview Lab → · Contrast checker → · Palette generator →