#21487E#21487E

#21487E is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.3% C 0.101 H 257.1°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#21487E
RGB	rgb(33, 72, 126)
HSL	hsl(215, 58%, 31%)
HSV	hsv(215, 74%, 49%)
CMYK	cmyk(73.8%, 42.9%, 0%, 50.6%)
CIE-LAB	lab(30.55, 5.98, -34.60)
CIE-LCH	lch(30.55, 35.12, 279.80°)
OKLab	oklab(40.29% -0.0225 -0.0988)
OKLCH	oklch(40.29% 0.101 257.1)
XYZ	xyz(6.7091, 6.4637, 20.6287)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21487E #7E5721

analogous

#21767E #21487E #28217E

triadic

#21487E #7E2148 #487E21

tetradic

#21487E #7E2176 #7E5721 #217E28

square

#21487E #7E2176 #7E5721 #217E28

split-complementary

#21487E #7E2821 #767E21

monochromatic

#08111D #142C4E #21487E #2E64AE #4A82D0

Accessibility & contrast

On white

9.16

#21487E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#21487E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21487E

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21487E	#FFFFFF	#000000	##FFFFFF
##21487E	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4D80

Deuteranopia (green-blind)

#1F447D

Tritanopia (blue-blind)

#00555D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #21487e;
/* rgb */ color: rgb(33, 72, 126);
/* oklch */ color: oklch(40.3% 0.101 257.1);

Tailwind

colors: {
  custom: {
    50: '#697aa4',
    500: '#21487e',
    950: '#000000',
  },
}

SCSS

$custom: #21487e;
$custom-light: #697aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#21487e",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 126
  },
  "hsl": {
    "h": 214.839,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40293,
    "c": 0.10134,
    "h": 257.1
  },
  "luminance": 0.06464
}

Semantic roles & 50–950 ramp

primary

#21487E

secondary

#B1864A

accent

#A046E2

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #21487E

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

Preview Lab → · Contrast checker → · Palette generator →