#1A368B#1A368B

#1A368B is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.145 H 265.6°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#1A368B
RGB	rgb(26, 54, 139)
HSL	hsl(225, 68%, 32%)
HSV	hsv(225, 81%, 55%)
CMYK	cmyk(81.3%, 61.2%, 0%, 45.5%)
CIE-LAB	lab(25.93, 22.74, -50.17)
CIE-LCH	lch(25.93, 55.09, 294.38°)
OKLab	oklab(36.99% -0.0112 -0.145)
OKLCH	oklch(36.99% 0.145 265.6)
XYZ	xyz(6.4037, 4.7213, 24.9949)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A368B #8B6F1A

analogous

#1A6E8B #1A368B #371A8B

triadic

#1A368B #8B1A36 #368B1A

tetradic

#1A368B #8B1A6E #8B6F1A #1A8B37

square

#1A368B #8B1A6E #8B6F1A #1A8B37

split-complementary

#1A368B #8B371A #6E8B1A

monochromatic

#070E24 #102257 #1A368B #244ABF #4369DC

Accessibility & contrast

On white

10.80

#1A368B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1A368B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A368B

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A368B	#FFFFFF	#000000	##FFFFFF
##1A368B	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a368b;
/* rgb */ color: rgb(26, 54, 139);
/* oklch */ color: oklch(37.0% 0.145 265.6);

Tailwind

colors: {
  custom: {
    50: '#6b6cae',
    500: '#1a368b',
    950: '#000000',
  },
}

SCSS

$custom: #1a368b;
$custom-light: #6b6cae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a368b",
  "rgb": {
    "r": 26,
    "g": 54,
    "b": 139
  },
  "hsl": {
    "h": 225.133,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36992,
    "c": 0.14546,
    "h": 265.6
  },
  "luminance": 0.04722
}

Semantic roles & 50–950 ramp

primary

#1A368B

secondary

#BD9F44

accent

#C03CEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1A368B

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

Preview Lab → · Contrast checker → · Palette generator →