#21609B#21609B

#21609B is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 48.0% C 0.114 H 250.4°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#21609B
RGB	rgb(33, 96, 155)
HSL	hsl(209, 65%, 37%)
HSV	hsv(209, 79%, 61%)
CMYK	cmyk(78.7%, 38.1%, 0%, 39.2%)
CIE-LAB	lab(39.67, 1.64, -37.77)
CIE-LCH	lch(39.67, 37.81, 272.49°)
OKLab	oklab(47.96% -0.0384 -0.1077)
OKLCH	oklch(47.96% 0.114 250.4)
XYZ	xyz(10.7242, 11.0544, 32.5725)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21609B #9B5C21

analogous

#219B99 #21609B #21239B

triadic

#21609B #9B2160 #609B21

tetradic

#21609B #99219B #9B5C21 #239B21

square

#21609B #99219B #9B5C21 #239B21

split-complementary

#21609B #9B2123 #9B9921

monochromatic

#0C2136 #164169 #21609B #2C7FCD #5A9DDC

Accessibility & contrast

On white

6.54

#21609B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#21609B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21609B

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21609B	#FFFFFF	#000000	##FFFFFF
##21609B	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44649D

Deuteranopia (green-blind)

#32589A

Tritanopia (blue-blind)

#006E76

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #21609b;
/* rgb */ color: rgb(33, 96, 155);
/* oklch */ color: oklch(48.0% 0.114 250.4);

Tailwind

colors: {
  custom: {
    50: '#6f8cb9',
    500: '#21609b',
    950: '#000000',
  },
}

SCSS

$custom: #21609b;
$custom-light: #6f8cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#21609b",
  "rgb": {
    "r": 33,
    "g": 96,
    "b": 155
  },
  "hsl": {
    "h": 209.016,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.47962,
    "c": 0.11432,
    "h": 250.4
  },
  "luminance": 0.11056
}

Semantic roles & 50–950 ramp

primary

#21609B

secondary

#C08A58

accent

#9140E8

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #21609B

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

Preview Lab → · Contrast checker → · Palette generator →