#21648D#21648D

#21648D is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.1% C 0.093 H 240.0°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#21648D
RGB	rgb(33, 100, 141)
HSL	hsl(203, 62%, 34%)
HSV	hsv(203, 77%, 55%)
CMYK	cmyk(76.6%, 29.1%, 0%, 44.7%)
CIE-LAB	lab(40.18, -6.19, -28.57)
CIE-LCH	lch(40.18, 29.23, 257.78°)
OKLab	oklab(48.12% -0.0465 -0.0808)
OKLCH	oklch(48.12% 0.093 240)
XYZ	xyz(9.9902, 11.3596, 26.8602)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21648D #8D4A21

analogous

#218D80 #21648D #212E8D

triadic

#21648D #8D2164 #648D21

tetradic

#21648D #80218D #8D4A21 #2E8D21

square

#21648D #80218D #8D4A21 #2E8D21

split-complementary

#21648D #8D212E #8D8021

monochromatic

#0A1E2A #15415B #21648D #2D87BF #52A4D6

Accessibility & contrast

On white

6.42

#21648D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#21648D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21648D

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21648D	#FFFFFF	#000000	##FFFFFF
##21648D	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51648F

Deuteranopia (green-blind)

#425A8C

Tritanopia (blue-blind)

#006E72

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #21648d;
/* rgb */ color: rgb(33, 100, 141);
/* oklch */ color: oklch(48.1% 0.093 240.0);

Tailwind

colors: {
  custom: {
    50: '#6c90ae',
    500: '#21648d',
    950: '#000000',
  },
}

SCSS

$custom: #21648d;
$custom-light: #6c90ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21648d",
  "rgb": {
    "r": 33,
    "g": 100,
    "b": 141
  },
  "hsl": {
    "h": 202.778,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.48121,
    "c": 0.09322,
    "h": 240
  },
  "luminance": 0.11361
}

Semantic roles & 50–950 ramp

primary

#21648D

secondary

#BA7850

accent

#8043E5

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #21648D

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

Preview Lab → · Contrast checker → · Palette generator →