#21497F#21497F

#21497F is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.6% C 0.102 H 256.7°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#21497F
RGB	rgb(33, 73, 127)
HSL	hsl(214, 59%, 31%)
HSV	hsv(214, 74%, 50%)
CMYK	cmyk(74%, 42.5%, 0%, 50.2%)
CIE-LAB	lab(30.93, 5.70, -34.63)
CIE-LCH	lch(30.93, 35.10, 279.34°)
OKLab	oklab(40.6% -0.0233 -0.0989)
OKLCH	oklch(40.6% 0.102 256.7)
XYZ	xyz(6.8391, 6.6200, 20.9919)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21497F #7F5721

analogous

#21787F #21497F #28217F

triadic

#21497F #7F2149 #497F21

tetradic

#21497F #7F2178 #7F5721 #217F28

square

#21497F #7F2178 #7F5721 #217F28

split-complementary

#21497F #7F2821 #787F21

monochromatic

#08111E #142D4E #21497F #2E65B0 #4A83D0

Accessibility & contrast

On white

9.04

#21497F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#21497F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21497F

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21497F	#FFFFFF	#000000	##FFFFFF
##21497F	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4D81

Deuteranopia (green-blind)

#20457E

Tritanopia (blue-blind)

#00565D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #21497f;
/* rgb */ color: rgb(33, 73, 127);
/* oklch */ color: oklch(40.6% 0.102 256.7);

Tailwind

colors: {
  custom: {
    50: '#697ba4',
    500: '#21497f',
    950: '#000000',
  },
}

SCSS

$custom: #21497f;
$custom-light: #697ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#21497f",
  "rgb": {
    "r": 33,
    "g": 73,
    "b": 127
  },
  "hsl": {
    "h": 214.468,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40602,
    "c": 0.10158,
    "h": 256.7
  },
  "luminance": 0.06621
}

Semantic roles & 50–950 ramp

primary

#21497F

secondary

#B2864A

accent

#A046E2

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #21497F

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

Preview Lab → · Contrast checker → · Palette generator →