#1A1D83#1A1D83

#1A1D83 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.164 H 271.0°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#1A1D83
RGB	rgb(26, 29, 131)
HSL	hsl(238, 67%, 31%)
HSV	hsv(238, 80%, 51%)
CMYK	cmyk(80.2%, 77.9%, 0%, 48.6%)
CIE-LAB	lab(18.96, 36.18, -56.62)
CIE-LCH	lch(18.96, 67.19, 302.58°)
OKLab	oklab(31.67% 0.0028 -0.164)
OKLCH	oklch(31.67% 0.164 271)
XYZ	xyz(4.9607, 2.7365, 21.7351)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1D83 #83801A

analogous

#1A5183 #1A1D83 #4B1A83

triadic

#1A1D83 #831A1D #1D831A

tetradic

#1A1D83 #831A51 #83801A #1A834B

square

#1A1D83 #831A51 #83801A #1A834B

split-complementary

#1A1D83 #834B1A #51831A

monochromatic

#06061D #101250 #1A1D83 #2428B6 #3F43D9

Accessibility & contrast

On white

13.57

#1A1D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1A1D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1D83

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1D83	#FFFFFF	#000000	##FFFFFF
##1A1D83	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003386

Deuteranopia (green-blind)

#002981

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a1d83;
/* rgb */ color: rgb(26, 29, 131);
/* oklch */ color: oklch(31.7% 0.164 271.0);

Tailwind

colors: {
  custom: {
    50: '#6b5aa8',
    500: '#1a1d83',
    950: '#000000',
  },
}

SCSS

$custom: #1a1d83;
$custom-light: #6b5aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1d83",
  "rgb": {
    "r": 26,
    "g": 29,
    "b": 131
  },
  "hsl": {
    "h": 238.286,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3167,
    "c": 0.16397,
    "h": 271
  },
  "luminance": 0.02737
}

Semantic roles & 50–950 ramp

primary

#1A1D83

secondary

#B7B342

accent

#E53EEA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1A1D83

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

Preview Lab → · Contrast checker → · Palette generator →