#455E8B#455E8B

#455E8B is a mid, moderate blue. Relative luminance 0.111; OKLCH L 48.2% C 0.079 H 261.6°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#455E8B
RGB	rgb(69, 94, 139)
HSL	hsl(219, 34%, 41%)
HSV	hsv(219, 50%, 55%)
CMYK	cmyk(50.4%, 32.4%, 0%, 45.5%)
CIE-LAB	lab(39.81, 3.97, -27.84)
CIE-LCH	lch(39.81, 28.12, 278.12°)
OKLab	oklab(48.22% -0.0115 -0.0782)
OKLCH	oklch(48.22% 0.079 261.6)
XYZ	xyz(11.1156, 11.1339, 25.9844)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455E8B #8B7245

analogous

#45818B #455E8B #4F458B

triadic

#455E8B #8B455E #5E8B45

tetradic

#455E8B #8B4581 #8B7245 #458B4F

square

#455E8B #8B4581 #8B7245 #458B4F

split-complementary

#455E8B #8B4F45 #818B45

monochromatic

#1C2739 #314262 #455E8B #5E7BAF #879DC3

Accessibility & contrast

On white

6.51

#455E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#455E8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455E8B

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455E8B	#FFFFFF	#000000	##FFFFFF
##455E8B	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D618D

Deuteranopia (green-blind)

#455B8A

Tritanopia (blue-blind)

#27686E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #455e8b;
/* rgb */ color: rgb(69, 94, 139);
/* oklch */ color: oklch(48.2% 0.079 261.6);

Tailwind

colors: {
  custom: {
    50: '#7d8bad',
    500: '#455e8b',
    950: '#000000',
  },
}

SCSS

$custom: #455e8b;
$custom-light: #7d8bad;
$custom-dark: #000000;

JSON

{
  "hex": "#455e8b",
  "rgb": {
    "r": 69,
    "g": 94,
    "b": 139
  },
  "hsl": {
    "h": 218.571,
    "s": 33.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48224,
    "c": 0.07904,
    "h": 261.6
  },
  "luminance": 0.11135
}

Semantic roles & 50–950 ramp

primary

#455E8B

secondary

#AF9D7D

accent

#A35ECA

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0C10

muted

#7C7D7F

Preview Lab

Preview with #455E8B

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

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