#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
RGBrgb(69, 90, 155)
HSLhsl(225, 38%, 44%)
HSVhsv(225, 55%, 61%)
CMYKcmyk(55.5%, 41.9%, 0%, 39.2%)
CIE-LABlab(39.48, 11.85, -37.97)
CIE-LCHlch(39.48, 39.78, 287.33°)
OKLaboklab(48.25% -0.0026 -0.1078)
OKLCHoklch(48.25% 0.108 268.6)
XYZxyz(12.0248, 10.9432, 32.4826)
Luminance0.1094 (WCAG relative)
Temperaturecool
Familyblue

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
##455A9B1.006.593.196.59
#FFFFFF6.591.0021.001.00
#0000003.1921.001.0021.00
##FFFFFF6.591.0021.001.00

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 →

#455A9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva