#21649B#21649B

#21649B is a mid, moderate cyan. Relative luminance 0.118; OKLCH L 48.9% C 0.110 H 247.5°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#21649B
RGB	rgb(33, 100, 155)
HSL	hsl(207, 65%, 37%)
HSV	hsv(207, 79%, 61%)
CMYK	cmyk(78.7%, 35.5%, 0%, 39.2%)
CIE-LAB	lab(40.90, -0.88, -35.83)
CIE-LCH	lch(40.90, 35.84, 268.60°)
OKLab	oklab(48.93% -0.0421 -0.1019)
OKLCH	oklch(48.93% 0.11 247.5)
XYZ	xyz(11.0985, 11.8029, 32.6972)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21649B #9B5821

analogous

#219B95 #21649B #21279B

triadic

#21649B #9B2164 #649B21

tetradic

#21649B #95219B #9B5821 #279B21

square

#21649B #95219B #9B5821 #279B21

split-complementary

#21649B #9B2127 #9B9521

monochromatic

#0C2336 #164369 #21649B #2C85CD #5AA2DC

Accessibility & contrast

On white

6.25

#21649B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#21649B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21649B

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21649B	#FFFFFF	#000000	##FFFFFF
##21649B	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A679D

Deuteranopia (green-blind)

#395B9A

Tritanopia (blue-blind)

#007178

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #21649b;
/* rgb */ color: rgb(33, 100, 155);
/* oklch */ color: oklch(48.9% 0.110 247.5);

Tailwind

colors: {
  custom: {
    50: '#6f8fb9',
    500: '#21649b',
    950: '#000000',
  },
}

SCSS

$custom: #21649b;
$custom-light: #6f8fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#21649b",
  "rgb": {
    "r": 33,
    "g": 100,
    "b": 155
  },
  "hsl": {
    "h": 207.049,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.48927,
    "c": 0.11028,
    "h": 247.5
  },
  "luminance": 0.11804
}

Semantic roles & 50–950 ramp

primary

#21649B

secondary

#C08758

accent

#8C40E8

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #21649B

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

Preview Lab → · Contrast checker → · Palette generator →