#455A8A#455A8A

#455A8A is a mid, moderate blue. Relative luminance 0.104; OKLCH L 47.2% C 0.082 H 265.4°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#455A8A
RGB	rgb(69, 90, 138)
HSL	hsl(222, 33%, 41%)
HSV	hsv(222, 50%, 54%)
CMYK	cmyk(50%, 34.8%, 0%, 45.9%)
CIE-LAB	lab(38.57, 6.18, -29.17)
CIE-LCH	lch(38.57, 29.81, 281.96°)
OKLab	oklab(47.25% -0.0066 -0.0821)
OKLCH	oklch(47.25% 0.082 265.4)
XYZ	xyz(10.6964, 10.4118, 25.4859)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455A8A #8A7545

analogous

#457C8A #455A8A #52458A

triadic

#455A8A #8A455A #5A8A45

tetradic

#455A8A #8A457C #8A7545 #458A52

square

#455A8A #8A457C #8A7545 #458A52

split-complementary

#455A8A #8A5245 #7C8A45

monochromatic

#1C2538 #313F61 #455A8A #5E76AE #8799C3

Accessibility & contrast

On white

6.81

#455A8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#455A8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455A8A

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455A8A	#FFFFFF	#000000	##FFFFFF
##455A8A	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485E8C

Deuteranopia (green-blind)

#405889

Tritanopia (blue-blind)

#28646B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #455a8a;
/* rgb */ color: rgb(69, 90, 138);
/* oklch */ color: oklch(47.2% 0.082 265.4);

Tailwind

colors: {
  custom: {
    50: '#7d88ac',
    500: '#455a8a',
    950: '#000000',
  },
}

SCSS

$custom: #455a8a;
$custom-light: #7d88ac;
$custom-dark: #000000;

JSON

{
  "hex": "#455a8a",
  "rgb": {
    "r": 69,
    "g": 90,
    "b": 138
  },
  "hsl": {
    "h": 221.739,
    "s": 33.333,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47248,
    "c": 0.08233,
    "h": 265.4
  },
  "luminance": 0.10413
}

Semantic roles & 50–950 ramp

primary

#455A8A

secondary

#AE9F7D

accent

#A95EC9

background

#F7F8FA

surface

#EEEFF4

border

#C9CACE

text

#0A0B10

muted

#7C7C7F

Preview Lab

Preview with #455A8A

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

Preview Lab → · Contrast checker → · Palette generator →