#1A3982#1A3982

#1A3982 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.8% C 0.129 H 263.8°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#1A3982
RGB	rgb(26, 57, 130)
HSL	hsl(222, 67%, 31%)
HSV	hsv(222, 80%, 51%)
CMYK	cmyk(80%, 56.2%, 0%, 49%)
CIE-LAB	lab(26.03, 17.00, -44.39)
CIE-LCH	lch(26.03, 47.54, 290.95°)
OKLab	oklab(36.84% -0.0138 -0.128)
OKLCH	oklch(36.84% 0.129 263.8)
XYZ	xyz(5.9170, 4.7569, 21.7211)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3982 #82631A

analogous

#1A6D82 #1A3982 #2F1A82

triadic

#1A3982 #821A39 #39821A

tetradic

#1A3982 #821A6D #82631A #1A822F

square

#1A3982 #821A6D #82631A #1A822F

split-complementary

#1A3982 #822F1A #6D821A

monochromatic

#060C1C #10234F #1A3982 #244FB5 #3E6CD8

Accessibility & contrast

On white

10.76

#1A3982 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1A3982 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3982

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3982	#FFFFFF	#000000	##FFFFFF
##1A3982	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004385

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004B57

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a3982;
/* rgb */ color: rgb(26, 57, 130);
/* oklch */ color: oklch(36.8% 0.129 263.8);

Tailwind

colors: {
  custom: {
    50: '#686ea7',
    500: '#1a3982',
    950: '#000000',
  },
}

SCSS

$custom: #1a3982;
$custom-light: #686ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3982",
  "rgb": {
    "r": 26,
    "g": 57,
    "b": 130
  },
  "hsl": {
    "h": 222.115,
    "s": 66.667,
    "l": 30.588
  },
  "oklch": {
    "l": 0.36838,
    "c": 0.12874,
    "h": 263.8
  },
  "luminance": 0.04758
}

Semantic roles & 50–950 ramp

primary

#1A3982

secondary

#B69342

accent

#B73EEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1A3982

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

Preview Lab → · Contrast checker → · Palette generator →