#10227E#10227E

#10227E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.4% C 0.155 H 266.9°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#10227E
RGB	rgb(16, 34, 126)
HSL	hsl(230, 77%, 28%)
HSV	hsv(230, 87%, 49%)
CMYK	cmyk(87.3%, 73%, 0%, 50.6%)
CIE-LAB	lab(19.06, 30.45, -53.30)
CIE-LCH	lch(19.06, 61.39, 299.74°)
OKLab	oklab(31.45% -0.0083 -0.1545)
OKLCH	oklch(31.45% 0.155 266.9)
XYZ	xyz(4.5503, 2.7600, 20.0275)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10227E #7E6C10

analogous

#10597E #10227E #35107E

triadic

#10227E #7E1022 #227E10

tetradic

#10227E #7E1059 #7E6C10 #107E35

square

#10227E #7E1059 #7E6C10 #107E35

split-complementary

#10227E #7E3510 #597E10

monochromatic

#03071B #091348 #10227E #1731B4 #2544E3

Accessibility & contrast

On white

13.53

#10227E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#10227E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10227E

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10227E	#FFFFFF	#000000	##FFFFFF
##10227E	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#00297C

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #10227e;
/* rgb */ color: rgb(16, 34, 126);
/* oklch */ color: oklch(31.4% 0.155 266.9);

Tailwind

colors: {
  custom: {
    50: '#665da4',
    500: '#10227e',
    950: '#000000',
  },
}

SCSS

$custom: #10227e;
$custom-light: #665da4;
$custom-dark: #000000;

JSON

{
  "hex": "#10227e",
  "rgb": {
    "r": 16,
    "g": 34,
    "b": 126
  },
  "hsl": {
    "h": 230.182,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31447,
    "c": 0.15473,
    "h": 266.9
  },
  "luminance": 0.02761
}

Semantic roles & 50–950 ramp

primary

#10227E

secondary

#B4A036

accent

#D534F4

background

#F6F5FA

surface

#EBE9F4

border

#C6C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #10227E

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

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