#1A227C#1A227C

#1A227C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.149 H 270.6°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#1A227C
RGB	rgb(26, 34, 124)
HSL	hsl(235, 65%, 29%)
HSV	hsv(235, 79%, 49%)
CMYK	cmyk(79%, 72.6%, 0%, 51.4%)
CIE-LAB	lab(19.30, 30.51, -51.61)
CIE-LCH	lch(19.30, 59.95, 300.59°)
OKLab	oklab(31.69% 0.0015 -0.1494)
OKLCH	oklch(31.69% 0.149 270.6)
XYZ	xyz(4.6349, 2.8184, 19.3646)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A227C #7C741A

analogous

#1A537C #1A227C #431A7C

triadic

#1A227C #7C1A22 #227C1A

tetradic

#1A227C #7C1A53 #7C741A #1A7C43

square

#1A227C #7C1A53 #7C741A #1A7C43

split-complementary

#1A227C #7C431A #537C1A

monochromatic

#050719 #0F1449 #1A227C #2530AF #3B47D6

Accessibility & contrast

On white

13.43

#1A227C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1A227C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A227C

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A227C	#FFFFFF	#000000	##FFFFFF
##1A227C	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347F

Deuteranopia (green-blind)

#002A7A

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a227c;
/* rgb */ color: rgb(26, 34, 124);
/* oklch */ color: oklch(31.7% 0.149 270.6);

Tailwind

colors: {
  custom: {
    50: '#695da3',
    500: '#1a227c',
    950: '#000000',
  },
}

SCSS

$custom: #1a227c;
$custom-light: #695da3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a227c",
  "rgb": {
    "r": 26,
    "g": 34,
    "b": 124
  },
  "hsl": {
    "h": 235.102,
    "s": 65.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31687,
    "c": 0.1494,
    "h": 270.6
  },
  "luminance": 0.02819
}

Semantic roles & 50–950 ramp

primary

#1A227C

secondary

#B0A742

accent

#DB40E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A227C

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

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