#1A3089#1A3089

#1A3089 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.6% C 0.150 H 267.2°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#1A3089
RGB	rgb(26, 48, 137)
HSL	hsl(228, 68%, 32%)
HSV	hsv(228, 81%, 54%)
CMYK	cmyk(81%, 65%, 0%, 46.3%)
CIE-LAB	lab(24.13, 26.09, -51.87)
CIE-LCH	lch(24.13, 58.07, 296.70°)
OKLab	oklab(35.6% -0.0074 -0.1501)
OKLCH	oklch(35.6% 0.15 267.2)
XYZ	xyz(5.9967, 4.1390, 24.1449)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3089 #89731A

analogous

#1A6889 #1A3089 #3C1A89

triadic

#1A3089 #891A30 #30891A

tetradic

#1A3089 #891A68 #89731A #1A893C

square

#1A3089 #891A68 #89731A #1A893C

split-complementary

#1A3089 #893C1A #68891A

monochromatic

#060C22 #101E56 #1A3089 #2442BC #4261DB

Accessibility & contrast

On white

11.49

#1A3089 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1A3089 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3089

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3089	#FFFFFF	#000000	##FFFFFF
##1A3089	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8C

Deuteranopia (green-blind)

#003487

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a3089;
/* rgb */ color: rgb(26, 48, 137);
/* oklch */ color: oklch(35.6% 0.150 267.2);

Tailwind

colors: {
  custom: {
    50: '#6b68ac',
    500: '#1a3089',
    950: '#000000',
  },
}

SCSS

$custom: #1a3089;
$custom-light: #6b68ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3089",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 137
  },
  "hsl": {
    "h": 228.108,
    "s": 68.098,
    "l": 31.961
  },
  "oklch": {
    "l": 0.356,
    "c": 0.15027,
    "h": 267.2
  },
  "luminance": 0.0414
}

Semantic roles & 50–950 ramp

primary

#1A3089

secondary

#BCA443

accent

#C83DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1A3089

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

Preview Lab → · Contrast checker → · Palette generator →