#21628B#21628B

#21628B is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.5% C 0.092 H 240.7°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#21628B
RGB	rgb(33, 98, 139)
HSL	hsl(203, 62%, 34%)
HSV	hsv(203, 76%, 55%)
CMYK	cmyk(76.3%, 29.5%, 0%, 45.5%)
CIE-LAB	lab(39.45, -5.72, -28.51)
CIE-LCH	lch(39.45, 29.08, 258.66°)
OKLab	oklab(47.51% -0.0452 -0.0806)
OKLCH	oklch(47.51% 0.092 240.7)
XYZ	xyz(9.6533, 10.9217, 26.0204)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21628B #8B4A21

analogous

#218B7F #21628B #212D8B

triadic

#21628B #8B2162 #628B21

tetradic

#21628B #7F218B #8B4A21 #2D8B21

square

#21628B #7F218B #8B4A21 #2D8B21

split-complementary

#21628B #8B212D #8B7F21

monochromatic

#0A1C28 #153F5A #21628B #2D85BC #51A2D6

Accessibility & contrast

On white

6.59

#21628B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#21628B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21628B

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21628B	#FFFFFF	#000000	##FFFFFF
##21628B	1.00	6.59	3.18	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F628D

Deuteranopia (green-blind)

#40588A

Tritanopia (blue-blind)

#006C70

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #21628b;
/* rgb */ color: rgb(33, 98, 139);
/* oklch */ color: oklch(47.5% 0.092 240.7);

Tailwind

colors: {
  custom: {
    50: '#6c8ead',
    500: '#21628b',
    950: '#000000',
  },
}

SCSS

$custom: #21628b;
$custom-light: #6c8ead;
$custom-dark: #000000;

JSON

{
  "hex": "#21628b",
  "rgb": {
    "r": 33,
    "g": 98,
    "b": 139
  },
  "hsl": {
    "h": 203.208,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.47509,
    "c": 0.09241,
    "h": 240.7
  },
  "luminance": 0.10923
}

Semantic roles & 50–950 ramp

primary

#21628B

secondary

#B9784F

accent

#8243E5

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #21628B

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

Preview Lab → · Contrast checker → · Palette generator →