#21507D#21507D

#21507D is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.2% C 0.091 H 250.0°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#21507D
RGB	rgb(33, 80, 125)
HSL	hsl(209, 58%, 31%)
HSV	hsv(209, 74%, 49%)
CMYK	cmyk(73.6%, 36%, 0%, 51%)
CIE-LAB	lab(33.01, 0.29, -30.09)
CIE-LCH	lch(33.01, 30.09, 270.54°)
OKLab	oklab(42.19% -0.031 -0.0854)
OKLCH	oklch(42.19% 0.091 250)
XYZ	xyz(7.1961, 7.5405, 20.4743)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21507D #7D4E21

analogous

#217D7C #21507D #21227D

triadic

#21507D #7D2150 #507D21

tetradic

#21507D #7C217D #7D4E21 #227D21

square

#21507D #7C217D #7D4E21 #227D21

split-complementary

#21507D #7D2122 #7D7C21

monochromatic

#07121C #14314D #21507D #2E6FAD #498ECF

Accessibility & contrast

On white

8.37

#21507D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#21507D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21507D

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21507D	#FFFFFF	#000000	##FFFFFF
##21507D	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C527F

Deuteranopia (green-blind)

#2F4A7C

Tritanopia (blue-blind)

#005B60

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #21507d;
/* rgb */ color: rgb(33, 80, 125);
/* oklch */ color: oklch(42.2% 0.091 250.0);

Tailwind

colors: {
  custom: {
    50: '#6980a3',
    500: '#21507d',
    950: '#000000',
  },
}

SCSS

$custom: #21507d;
$custom-light: #6980a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21507d",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 125
  },
  "hsl": {
    "h": 209.348,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.42189,
    "c": 0.09091,
    "h": 250
  },
  "luminance": 0.07541
}

Semantic roles & 50–950 ramp

primary

#21507D

secondary

#B07C4A

accent

#9246E1

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #21507D

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

Preview Lab → · Contrast checker → · Palette generator →