#215D9D#215D9D

#215D9D is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.4% C 0.120 H 253.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#215D9D
RGB	rgb(33, 93, 157)
HSL	hsl(211, 65%, 37%)
HSV	hsv(211, 79%, 62%)
CMYK	cmyk(79%, 40.8%, 0%, 38.4%)
CIE-LAB	lab(38.87, 4.34, -40.24)
CIE-LCH	lch(38.87, 40.48, 276.16°)
OKLab	oklab(47.38% -0.0351 -0.115)
OKLCH	oklch(47.38% 0.12 253)
XYZ	xyz(10.6251, 10.5851, 33.3749)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#215D9D #9D6121

analogous

#219B9D #215D9D #23219D

triadic

#215D9D #9D215D #5D9D21

tetradic

#215D9D #9D219B #9D6121 #219D23

square

#215D9D #9D219B #9D6121 #219D23

split-complementary

#215D9D #9D2321 #9B9D21

monochromatic

#0C2138 #163F6A #215D9D #2C7BD0 #5C9ADD

Accessibility & contrast

On white

6.74

#215D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#215D9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #215D9D

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##215D9D	#FFFFFF	#000000	##FFFFFF
##215D9D	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E62A0

Deuteranopia (green-blind)

#2A569C

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #215d9d;
/* rgb */ color: rgb(33, 93, 157);
/* oklch */ color: oklch(47.4% 0.120 253.0);

Tailwind

colors: {
  custom: {
    50: '#708aba',
    500: '#215d9d',
    950: '#000000',
  },
}

SCSS

$custom: #215d9d;
$custom-light: #708aba;
$custom-dark: #000000;

JSON

{
  "hex": "#215d9d",
  "rgb": {
    "r": 33,
    "g": 93,
    "b": 157
  },
  "hsl": {
    "h": 210.968,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.47375,
    "c": 0.12022,
    "h": 253
  },
  "luminance": 0.10586
}

Semantic roles & 50–950 ramp

primary

#215D9D

secondary

#C18F59

accent

#9740E8

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #215D9D

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

Preview Lab → · Contrast checker → · Palette generator →