#1A318E#1A318E

#1A318E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.156 H 267.0°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#1A318E
RGB	rgb(26, 49, 142)
HSL	hsl(228, 69%, 33%)
HSV	hsv(228, 82%, 56%)
CMYK	cmyk(81.7%, 65.5%, 0%, 44.3%)
CIE-LAB	lab(24.85, 27.37, -53.79)
CIE-LCH	lch(24.85, 60.35, 296.97°)
OKLab	oklab(36.28% -0.0081 -0.1557)
OKLCH	oklch(36.28% 0.156 267)
XYZ	xyz(6.4051, 4.3685, 26.0916)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A318E #8E771A

analogous

#1A6B8E #1A318E #3D1A8E

triadic

#1A318E #8E1A31 #318E1A

tetradic

#1A318E #8E1A6B #8E771A #1A8E3D

square

#1A318E #8E1A6B #8E771A #1A8E3D

split-complementary

#1A318E #8E3D1A #6B8E1A

monochromatic

#070D27 #111F5A #1A318E #2343C2 #4563DD

Accessibility & contrast

On white

11.21

#1A318E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1A318E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A318E

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A318E	#FFFFFF	#000000	##FFFFFF
##1A318E	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#00368C

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1a318e;
/* rgb */ color: rgb(26, 49, 142);
/* oklch */ color: oklch(36.3% 0.156 267.0);

Tailwind

colors: {
  custom: {
    50: '#6c69b0',
    500: '#1a318e',
    950: '#000000',
  },
}

SCSS

$custom: #1a318e;
$custom-light: #6c69b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a318e",
  "rgb": {
    "r": 26,
    "g": 49,
    "b": 142
  },
  "hsl": {
    "h": 228.103,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36281,
    "c": 0.15589,
    "h": 267
  },
  "luminance": 0.04369
}

Semantic roles & 50–950 ramp

primary

#1A318E

secondary

#BEA645

accent

#C93CEC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A318E

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

Preview Lab → · Contrast checker → · Palette generator →