#10215B#10215B

#10215B is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.6% C 0.106 H 266.7°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#10215B
RGB	rgb(16, 33, 91)
HSL	hsl(226, 70%, 21%)
HSV	hsv(226, 82%, 36%)
CMYK	cmyk(82.4%, 63.7%, 0%, 64.3%)
CIE-LAB	lab(15.24, 16.88, -36.77)
CIE-LCH	lch(15.24, 40.46, 294.65°)
OKLab	oklab(27.57% -0.0062 -0.1062)
OKLCH	oklch(27.57% 0.106 266.7)
XYZ	xyz(2.6452, 1.9529, 10.1330)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10215B #5B4A10

analogous

#10465B #10215B #24105B

triadic

#10215B #5B1021 #215B10

tetradic

#10215B #5B1046 #5B4A10 #105B24

square

#10215B #5B1046 #5B4A10 #105B24

split-complementary

#10215B #5B2410 #465B10

monochromatic

#05091A #070E27 #10215B #19348F #2247C3

Accessibility & contrast

On white

15.10

#10215B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#10215B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10215B

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10215B	#FFFFFF	#000000	##FFFFFF
##10215B	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5D

Deuteranopia (green-blind)

#00235A

Tritanopia (blue-blind)

#00303A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #10215b;
/* rgb */ color: rgb(16, 33, 91);
/* oklch */ color: oklch(27.6% 0.106 266.7);

Tailwind

colors: {
  custom: {
    50: '#5c5b8a',
    500: '#10215b',
    950: '#000000',
  },
}

SCSS

$custom: #10215b;
$custom-light: #5c5b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#10215b",
  "rgb": {
    "r": 16,
    "g": 33,
    "b": 91
  },
  "hsl": {
    "h": 226.4,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.27565,
    "c": 0.10641,
    "h": 266.7
  },
  "luminance": 0.01953
}

Semantic roles & 50–950 ramp

primary

#10215B

secondary

#947E33

accent

#C53BED

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10215B

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

Preview Lab → · Contrast checker → · Palette generator →