#1A227B#1A227B

#1A227B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.148 H 270.6°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#1A227B
RGB	rgb(26, 34, 123)
HSL	hsl(235, 65%, 29%)
HSV	hsv(235, 79%, 48%)
CMYK	cmyk(78.9%, 72.4%, 0%, 51.8%)
CIE-LAB	lab(19.20, 30.13, -51.14)
CIE-LCH	lch(19.20, 59.36, 300.51°)
OKLab	oklab(31.58% 0.0017 -0.148)
OKLCH	oklch(31.58% 0.148 270.6)
XYZ	xyz(4.5720, 2.7932, 19.0332)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A227B #7B731A

analogous

#1A537B #1A227B #431A7B

triadic

#1A227B #7B1A22 #227B1A

tetradic

#1A227B #7B1A53 #7B731A #1A7B43

square

#1A227B #7B1A53 #7B731A #1A7B43

split-complementary

#1A227B #7B431A #537B1A

monochromatic

#050719 #0F1448 #1A227B #2530AE #3A47D5

Accessibility & contrast

On white

13.47

#1A227B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1A227B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A227B

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A227B	#FFFFFF	#000000	##FFFFFF
##1A227B	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002A79

Tritanopia (blue-blind)

#003B4B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a227b;
/* rgb */ color: rgb(26, 34, 123);
/* oklch */ color: oklch(31.6% 0.148 270.6);

Tailwind

colors: {
  custom: {
    50: '#685da2',
    500: '#1a227b',
    950: '#000000',
  },
}

SCSS

$custom: #1a227b;
$custom-light: #685da2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a227b",
  "rgb": {
    "r": 26,
    "g": 34,
    "b": 123
  },
  "hsl": {
    "h": 235.052,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31579,
    "c": 0.14805,
    "h": 270.6
  },
  "luminance": 0.02794
}

Semantic roles & 50–950 ramp

primary

#1A227B

secondary

#AFA642

accent

#DA40E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A227B

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

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