#21506E#21506E

#21506E is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.3% C 0.072 H 239.8°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#21506E
RGB	rgb(33, 80, 110)
HSL	hsl(203, 54%, 28%)
HSV	hsv(203, 70%, 43%)
CMYK	cmyk(70%, 27.3%, 0%, 56.9%)
CIE-LAB	lab(32.23, -5.42, -21.96)
CIE-LCH	lch(32.23, 22.62, 256.13°)
OKLab	oklab(41.32% -0.036 -0.0618)
OKLCH	oklch(41.32% 0.072 239.8)
XYZ	xyz(6.3093, 7.1858, 15.8033)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21506E #6E3F21

analogous

#216E65 #21506E #21296E

triadic

#21506E #6E2150 #506E21

tetradic

#21506E #65216E #6E3F21 #296E21

square

#21506E #65216E #6E3F21 #296E21

split-complementary

#21506E #6E2129 #6E6521

monochromatic

#071118 #132E3F #21506E #2F729D #4393C7

Accessibility & contrast

On white

8.62

#21506E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#21506E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21506E

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21506E	#FFFFFF	#000000	##FFFFFF
##21506E	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42506F

Deuteranopia (green-blind)

#38486D

Tritanopia (blue-blind)

#00585A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #21506e;
/* rgb */ color: rgb(33, 80, 110);
/* oklch */ color: oklch(41.3% 0.072 239.8);

Tailwind

colors: {
  custom: {
    50: '#668197',
    500: '#21506e',
    950: '#000000',
  },
}

SCSS

$custom: #21506e;
$custom-light: #668197;
$custom-dark: #000000;

JSON

{
  "hex": "#21506e",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 110
  },
  "hsl": {
    "h": 203.377,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.41317,
    "c": 0.07153,
    "h": 239.8
  },
  "luminance": 0.07186
}

Semantic roles & 50–950 ramp

primary

#21506E

secondary

#A26C49

accent

#844BDD

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #21506E

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

Preview Lab → · Contrast checker → · Palette generator →