#1A227D#1A227D

#1A227D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.151 H 270.5°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#1A227D
RGB	rgb(26, 34, 125)
HSL	hsl(235, 66%, 30%)
HSV	hsv(235, 79%, 49%)
CMYK	cmyk(79.2%, 72.8%, 0%, 51%)
CIE-LAB	lab(19.41, 30.88, -52.07)
CIE-LCH	lch(19.41, 60.54, 300.67°)
OKLab	oklab(31.8% 0.0014 -0.1507)
OKLCH	oklch(31.8% 0.151 270.5)
XYZ	xyz(4.6984, 2.8438, 19.6994)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A227D #7D751A

analogous

#1A537D #1A227D #441A7D

triadic

#1A227D #7D1A22 #227D1A

tetradic

#1A227D #7D1A53 #7D751A #1A7D44

square

#1A227D #7D1A53 #7D751A #1A7D44

split-complementary

#1A227D #7D441A #537D1A

monochromatic

#050719 #0F144A #1A227D #2530B0 #3B48D6

Accessibility & contrast

On white

13.39

#1A227D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1A227D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A227D

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A227D	#FFFFFF	#000000	##FFFFFF
##1A227D	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#002A7B

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a227d;
/* rgb */ color: rgb(26, 34, 125);
/* oklch */ color: oklch(31.8% 0.151 270.5);

Tailwind

colors: {
  custom: {
    50: '#695da4',
    500: '#1a227d',
    950: '#000000',
  },
}

SCSS

$custom: #1a227d;
$custom-light: #695da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a227d",
  "rgb": {
    "r": 26,
    "g": 34,
    "b": 125
  },
  "hsl": {
    "h": 235.152,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31795,
    "c": 0.15075,
    "h": 270.5
  },
  "luminance": 0.02844
}

Semantic roles & 50–950 ramp

primary

#1A227D

secondary

#B1A842

accent

#DB3FE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A227D

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

Preview Lab → · Contrast checker → · Palette generator →