#1A227A#1A227A

#1A227A is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.5% C 0.147 H 270.7°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#1A227A
RGB	rgb(26, 34, 122)
HSL	hsl(235, 65%, 29%)
HSV	hsv(235, 79%, 48%)
CMYK	cmyk(78.7%, 72.1%, 0%, 52.2%)
CIE-LAB	lab(19.09, 29.76, -50.68)
CIE-LCH	lch(19.09, 58.77, 300.42°)
OKLab	oklab(31.47% 0.0018 -0.1467)
OKLCH	oklch(31.47% 0.147 270.7)
XYZ	xyz(4.5097, 2.7683, 18.7052)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A227A #7A721A

analogous

#1A527A #1A227A #421A7A

triadic

#1A227A #7A1A22 #227A1A

tetradic

#1A227A #7A1A52 #7A721A #1A7A42

square

#1A227A #7A1A52 #7A721A #1A7A42

split-complementary

#1A227A #7A421A #527A1A

monochromatic

#050719 #0F1448 #1A227A #2530AC #3946D5

Accessibility & contrast

On white

13.52

#1A227A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1A227A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A227A

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A227A	#FFFFFF	#000000	##FFFFFF
##1A227A	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337D

Deuteranopia (green-blind)

#002A78

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a227a;
/* rgb */ color: rgb(26, 34, 122);
/* oklch */ color: oklch(31.5% 0.147 270.7);

Tailwind

colors: {
  custom: {
    50: '#685da1',
    500: '#1a227a',
    950: '#000000',
  },
}

SCSS

$custom: #1a227a;
$custom-light: #685da1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a227a",
  "rgb": {
    "r": 26,
    "g": 34,
    "b": 122
  },
  "hsl": {
    "h": 235,
    "s": 64.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31472,
    "c": 0.1467,
    "h": 270.7
  },
  "luminance": 0.02769
}

Semantic roles & 50–950 ramp

primary

#1A227A

secondary

#AEA541

accent

#DA40E8

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A227A

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

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