#21458C#21458C

#21458C is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.6% C 0.125 H 262.2°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#21458C
RGB	rgb(33, 69, 140)
HSL	hsl(220, 62%, 34%)
HSV	hsv(220, 76%, 55%)
CMYK	cmyk(76.4%, 50.7%, 0%, 45.1%)
CIE-LAB	lab(30.57, 13.59, -43.24)
CIE-LCH	lch(30.57, 45.32, 287.45°)
OKLab	oklab(40.61% -0.0171 -0.1242)
OKLCH	oklch(40.61% 0.125 262.2)
XYZ	xyz(7.4872, 6.4722, 25.6605)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21458C #8C6821

analogous

#217B8C #21458C #33218C

triadic

#21458C #8C2145 #458C21

tetradic

#21458C #8C217B #8C6821 #218C33

square

#21458C #8C217B #8C6821 #218C33

split-complementary

#21458C #8C3321 #7B8C21

monochromatic

#0A1429 #152D5A #21458C #2D5DBE #517ED6

Accessibility & contrast

On white

9.15

#21458C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#21458C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21458C

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21458C	#FFFFFF	#000000	##FFFFFF
##21458C	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4D8F

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #21458c;
/* rgb */ color: rgb(33, 69, 140);
/* oklch */ color: oklch(40.6% 0.125 262.2);

Tailwind

colors: {
  custom: {
    50: '#6c78ae',
    500: '#21458c',
    950: '#000000',
  },
}

SCSS

$custom: #21458c;
$custom-light: #6c78ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21458c",
  "rgb": {
    "r": 33,
    "g": 69,
    "b": 140
  },
  "hsl": {
    "h": 219.813,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40608,
    "c": 0.12542,
    "h": 262.2
  },
  "luminance": 0.06473
}

Semantic roles & 50–950 ramp

primary

#21458C

secondary

#B9964F

accent

#AE43E5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #21458C

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

Preview Lab → · Contrast checker → · Palette generator →