#455A9B#455A9B

#455A9B is a mid, moderate blue. Relative luminance 0.109; OKLCH L 48.3% C 0.108 H 268.6°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#455A9B
RGB	rgb(69, 90, 155)
HSL	hsl(225, 38%, 44%)
HSV	hsv(225, 55%, 61%)
CMYK	cmyk(55.5%, 41.9%, 0%, 39.2%)
CIE-LAB	lab(39.48, 11.85, -37.97)
CIE-LCH	lch(39.48, 39.78, 287.33°)
OKLab	oklab(48.25% -0.0026 -0.1078)
OKLCH	oklch(48.25% 0.108 268.6)
XYZ	xyz(12.0248, 10.9432, 32.4826)
Luminance	0.1094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455A9B #9B8645

analogous

#45859B #455A9B #5B459B

triadic

#455A9B #9B455A #5A9B45

tetradic

#455A9B #9B4585 #9B8645 #459B5B

square

#455A9B #9B4585 #9B8645 #459B5B

split-complementary

#455A9B #9B5B45 #859B45

monochromatic

#1F2946 #324171 #455A9B #6379BA #8E9DCD

Accessibility & contrast

On white

6.59

#455A9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#455A9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455A9B

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455A9B	#FFFFFF	#000000	##FFFFFF
##455A9B	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F619E

Deuteranopia (green-blind)

#35599A

Tritanopia (blue-blind)

#166873

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #455a9b;
/* rgb */ color: rgb(69, 90, 155);
/* oklch */ color: oklch(48.3% 0.108 268.6);

Tailwind

colors: {
  custom: {
    50: '#7f88b9',
    500: '#455a9b',
    950: '#000000',
  },
}

SCSS

$custom: #455a9b;
$custom-light: #7f88b9;
$custom-dark: #000000;

JSON

{
  "hex": "#455a9b",
  "rgb": {
    "r": 69,
    "g": 90,
    "b": 155
  },
  "hsl": {
    "h": 225.349,
    "s": 38.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48252,
    "c": 0.1078,
    "h": 268.6
  },
  "luminance": 0.10944
}

Semantic roles & 50–950 ramp

primary

#455A9B

secondary

#B8AB84

accent

#B259CE

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #455A9B

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

Preview Lab → · Contrast checker → · Palette generator →