#455E9B#455E9B

#455E9B is a mid, moderate blue. Relative luminance 0.116; OKLCH L 49.1% C 0.103 H 265.9°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#455E9B
RGB	rgb(69, 94, 155)
HSL	hsl(223, 38%, 44%)
HSV	hsv(223, 55%, 61%)
CMYK	cmyk(55.5%, 39.4%, 0%, 39.2%)
CIE-LAB	lab(40.63, 9.29, -36.15)
CIE-LCH	lch(40.63, 37.33, 284.41°)
OKLab	oklab(49.14% -0.0073 -0.1024)
OKLCH	oklch(49.14% 0.103 265.9)
XYZ	xyz(12.3714, 11.6363, 32.5981)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455E9B #9B8245

analogous

#45899B #455E9B #57459B

triadic

#455E9B #9B455E #5E9B45

tetradic

#455E9B #9B4589 #9B8245 #459B57

square

#455E9B #9B4589 #9B8245 #459B57

split-complementary

#455E9B #9B5745 #899B45

monochromatic

#1F2B46 #324471 #455E9B #637DBA #8EA0CD

Accessibility & contrast

On white

6.31

#455E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#455E9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455E9B

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455E9B	#FFFFFF	#000000	##FFFFFF
##455E9B	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45649D

Deuteranopia (green-blind)

#3B5C9A

Tritanopia (blue-blind)

#156B75

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #455e9b;
/* rgb */ color: rgb(69, 94, 155);
/* oklch */ color: oklch(49.1% 0.103 265.9);

Tailwind

colors: {
  custom: {
    50: '#7f8bb9',
    500: '#455e9b',
    950: '#000000',
  },
}

SCSS

$custom: #455e9b;
$custom-light: #7f8bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#455e9b",
  "rgb": {
    "r": 69,
    "g": 94,
    "b": 155
  },
  "hsl": {
    "h": 222.558,
    "s": 38.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.49136,
    "c": 0.10266,
    "h": 265.9
  },
  "luminance": 0.11637
}

Semantic roles & 50–950 ramp

primary

#455E9B

secondary

#B8A984

accent

#AC59CE

background

#F8F8FB

surface

#EFF0F6

border

#CACBD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #455E9B

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

Preview Lab → · Contrast checker → · Palette generator →