#10215C#10215C

#10215C is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.7% C 0.108 H 266.7°. Best body text is #FFFFFF at 15.06:1 contrast (WCAG AA passes).

Color values

HEX	#10215C
RGB	rgb(16, 33, 92)
HSL	hsl(227, 70%, 21%)
HSV	hsv(227, 83%, 36%)
CMYK	cmyk(82.6%, 64.1%, 0%, 63.9%)
CIE-LAB	lab(15.33, 17.30, -37.29)
CIE-LCH	lch(15.33, 41.11, 294.89°)
OKLab	oklab(27.66% -0.0062 -0.1077)
OKLCH	oklch(27.66% 0.108 266.7)
XYZ	xyz(2.6886, 1.9703, 10.3617)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10215C #5C4B10

analogous

#10475C #10215C #25105C

triadic

#10215C #5C1021 #215C10

tetradic

#10215C #5C1047 #5C4B10 #105C25

square

#10215C #5C1047 #5C4B10 #105C25

split-complementary

#10215C #5C2510 #475C10

monochromatic

#05091A #070E28 #10215C #193490 #2246C4

Accessibility & contrast

On white

15.06

#10215C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#10215C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10215C

15.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10215C	#FFFFFF	#000000	##FFFFFF
##10215C	1.00	15.06	1.39	15.06
#FFFFFF	15.06	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5E

Deuteranopia (green-blind)

#00235B

Tritanopia (blue-blind)

#00303B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #10215c;
/* rgb */ color: rgb(16, 33, 92);
/* oklch */ color: oklch(27.7% 0.108 266.7);

Tailwind

colors: {
  custom: {
    50: '#5c5b8b',
    500: '#10215c',
    950: '#000000',
  },
}

SCSS

$custom: #10215c;
$custom-light: #5c5b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#10215c",
  "rgb": {
    "r": 16,
    "g": 33,
    "b": 92
  },
  "hsl": {
    "h": 226.579,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.27662,
    "c": 0.10793,
    "h": 266.7
  },
  "luminance": 0.01971
}

Semantic roles & 50–950 ramp

primary

#10215C

secondary

#957F33

accent

#C53BED

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10215C

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

Preview Lab → · Contrast checker → · Palette generator →