#1A308D#1A308D

#1A308D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.0% C 0.156 H 267.2°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#1A308D
RGB	rgb(26, 48, 141)
HSL	hsl(229, 69%, 33%)
HSV	hsv(229, 82%, 55%)
CMYK	cmyk(81.6%, 66%, 0%, 44.7%)
CIE-LAB	lab(24.50, 27.66, -53.75)
CIE-LCH	lch(24.50, 60.45, 297.23°)
OKLab	oklab(35.99% -0.0075 -0.1556)
OKLCH	oklch(35.99% 0.156 267.2)
XYZ	xyz(6.2890, 4.2559, 25.6841)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A308D #8D771A

analogous

#1A698D #1A308D #3E1A8D

triadic

#1A308D #8D1A30 #308D1A

tetradic

#1A308D #8D1A69 #8D771A #1A8D3E

square

#1A308D #8D1A69 #8D771A #1A8D3E

split-complementary

#1A308D #8D3E1A #698D1A

monochromatic

#070D26 #101E59 #1A308D #2442C1 #4562DD

Accessibility & contrast

On white

11.34

#1A308D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1A308D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A308D

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A308D	#FFFFFF	#000000	##FFFFFF
##1A308D	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004090

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a308d;
/* rgb */ color: rgb(26, 48, 141);
/* oklch */ color: oklch(36.0% 0.156 267.2);

Tailwind

colors: {
  custom: {
    50: '#6c68af',
    500: '#1a308d',
    950: '#000000',
  },
}

SCSS

$custom: #1a308d;
$custom-light: #6c68af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a308d",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 141
  },
  "hsl": {
    "h": 228.522,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35991,
    "c": 0.15576,
    "h": 267.2
  },
  "luminance": 0.04257
}

Semantic roles & 50–950 ramp

primary

#1A308D

secondary

#BEA745

accent

#CA3CEC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1A308D

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

Preview Lab → · Contrast checker → · Palette generator →