#21498C#21498C

#21498C is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.5% C 0.120 H 260.1°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#21498C
RGB	rgb(33, 73, 140)
HSL	hsl(218, 62%, 34%)
HSV	hsv(218, 76%, 55%)
CMYK	cmyk(76.4%, 47.9%, 0%, 45.1%)
CIE-LAB	lab(31.76, 10.86, -41.32)
CIE-LCH	lch(31.76, 42.73, 284.73°)
OKLab	oklab(41.52% -0.0207 -0.1185)
OKLCH	oklch(41.52% 0.12 260.1)
XYZ	xyz(7.7417, 6.9810, 25.7453)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21498C #8C6421

analogous

#217F8C #21498C #2F218C

triadic

#21498C #8C2149 #498C21

tetradic

#21498C #8C217F #8C6421 #218C2F

square

#21498C #8C217F #8C6421 #218C2F

split-complementary

#21498C #8C2F21 #7F8C21

monochromatic

#0A1529 #152F5A #21498C #2D63BE #5183D6

Accessibility & contrast

On white

8.76

#21498C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#21498C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21498C

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21498C	#FFFFFF	#000000	##FFFFFF
##21498C	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25508F

Deuteranopia (green-blind)

#0A468B

Tritanopia (blue-blind)

#005963

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #21498c;
/* rgb */ color: rgb(33, 73, 140);
/* oklch */ color: oklch(41.5% 0.120 260.1);

Tailwind

colors: {
  custom: {
    50: '#6c7bae',
    500: '#21498c',
    950: '#000000',
  },
}

SCSS

$custom: #21498c;
$custom-light: #6c7bae;
$custom-dark: #000000;

JSON

{
  "hex": "#21498c",
  "rgb": {
    "r": 33,
    "g": 73,
    "b": 140
  },
  "hsl": {
    "h": 217.57,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.4152,
    "c": 0.12032,
    "h": 260.1
  },
  "luminance": 0.06982
}

Semantic roles & 50–950 ramp

primary

#21498C

secondary

#B9924F

accent

#A843E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #21498C

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

Preview Lab → · Contrast checker → · Palette generator →