#10215D#10215D

#10215D is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.8% C 0.109 H 266.8°. Best body text is #FFFFFF at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#10215D
RGB	rgb(16, 33, 93)
HSL	hsl(227, 71%, 21%)
HSV	hsv(227, 83%, 36%)
CMYK	cmyk(82.8%, 64.5%, 0%, 63.5%)
CIE-LAB	lab(15.42, 17.73, -37.81)
CIE-LCH	lch(15.42, 41.76, 295.12°)
OKLab	oklab(27.76% -0.0062 -0.1093)
OKLCH	oklch(27.76% 0.109 266.8)
XYZ	xyz(2.7326, 1.9879, 10.5935)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10215D #5D4C10

analogous

#10485D #10215D #26105D

triadic

#10215D #5D1021 #215D10

tetradic

#10215D #5D1048 #5D4C10 #105D26

square

#10215D #5D1048 #5D4C10 #105D26

split-complementary

#10215D #5D2610 #485D10

monochromatic

#04091A #070E29 #10215D #193491 #2246C5

Accessibility & contrast

On white

15.03

#10215D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#10215D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10215D

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10215D	#FFFFFF	#000000	##FFFFFF
##10215D	1.00	15.03	1.40	15.03
#FFFFFF	15.03	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5F

Deuteranopia (green-blind)

#00235C

Tritanopia (blue-blind)

#00303B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #10215d;
/* rgb */ color: rgb(16, 33, 93);
/* oklch */ color: oklch(27.8% 0.109 266.8);

Tailwind

colors: {
  custom: {
    50: '#5d5b8b',
    500: '#10215d',
    950: '#000000',
  },
}

SCSS

$custom: #10215d;
$custom-light: #5d5b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#10215d",
  "rgb": {
    "r": 16,
    "g": 33,
    "b": 93
  },
  "hsl": {
    "h": 226.753,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.27761,
    "c": 0.10943,
    "h": 266.8
  },
  "luminance": 0.01988
}

Semantic roles & 50–950 ramp

primary

#10215D

secondary

#968033

accent

#C63AED

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10215D

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

Preview Lab → · Contrast checker → · Palette generator →