#21507A#21507A

#21507A is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.0% C 0.087 H 248.4°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#21507A
RGB	rgb(33, 80, 122)
HSL	hsl(208, 57%, 30%)
HSV	hsv(208, 73%, 48%)
CMYK	cmyk(73%, 34.4%, 0%, 52.2%)
CIE-LAB	lab(32.84, -0.87, -28.48)
CIE-LCH	lch(32.84, 28.50, 268.25°)
OKLab	oklab(42.01% -0.0319 -0.0808)
OKLCH	oklch(42.01% 0.087 248.4)
XYZ	xyz(7.0074, 7.4650, 19.4802)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21507A #7A4B21

analogous

#217A77 #21507A #21237A

triadic

#21507A #7A2150 #507A21

tetradic

#21507A #77217A #7A4B21 #237A21

square

#21507A #77217A #7A4B21 #237A21

split-complementary

#21507A #7A2123 #7A7721

monochromatic

#07111A #14304A #21507A #2E70AA #488ECD

Accessibility & contrast

On white

8.42

#21507A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#21507A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21507A

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21507A	#FFFFFF	#000000	##FFFFFF
##21507A	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D527C

Deuteranopia (green-blind)

#314979

Tritanopia (blue-blind)

#005A5F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #21507a;
/* rgb */ color: rgb(33, 80, 122);
/* oklch */ color: oklch(42.0% 0.087 248.4);

Tailwind

colors: {
  custom: {
    50: '#6880a0',
    500: '#21507a',
    950: '#000000',
  },
}

SCSS

$custom: #21507a;
$custom-light: #6880a0;
$custom-dark: #000000;

JSON

{
  "hex": "#21507a",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 122
  },
  "hsl": {
    "h": 208.315,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.42006,
    "c": 0.08685,
    "h": 248.4
  },
  "luminance": 0.07466
}

Semantic roles & 50–950 ramp

primary

#21507A

secondary

#AD794A

accent

#9047E1

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #21507A

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

Preview Lab → · Contrast checker → · Palette generator →