#455BD1#455BD1

#455BD1 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.3% C 0.183 H 270.7°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#455BD1
RGB	rgb(69, 91, 209)
HSL	hsl(231, 60%, 55%)
HSV	hsv(231, 67%, 82%)
CMYK	cmyk(67%, 56.5%, 0%, 18%)
CIE-LAB	lab(43.28, 29.99, -63.51)
CIE-LCH	lch(43.28, 70.24, 295.28°)
OKLab	oklab(52.26% 0.0024 -0.1828)
OKLCH	oklch(52.26% 0.183 270.7)
XYZ	xyz(17.7001, 13.3492, 61.9531)
Luminance	0.1335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455BD1 #D1BB45

analogous

#45A1D1 #455BD1 #7545D1

triadic

#455BD1 #D1455B #5BD145

tetradic

#455BD1 #D145A1 #D1BB45 #45D175

square

#455BD1 #D145A1 #D1BB45 #45D175

split-complementary

#455BD1 #D17545 #A1D145

monochromatic

#1F2E7D #2B40AE #455BD1 #7686DD #A7B2E9

Accessibility & contrast

On white

5.72

#455BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#455BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455BD1

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455BD1	#FFFFFF	#000000	##FFFFFF
##455BD1	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD5

Deuteranopia (green-blind)

#0060CF

Tritanopia (blue-blind)

#00788D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #455bd1;
/* rgb */ color: rgb(69, 91, 209);
/* oklch */ color: oklch(52.3% 0.183 270.7);

Tailwind

colors: {
  custom: {
    50: '#8889e0',
    500: '#455bd1',
    950: '#000000',
  },
}

SCSS

$custom: #455bd1;
$custom-light: #8889e0;
$custom-dark: #000000;

JSON

{
  "hex": "#455bd1",
  "rgb": {
    "r": 69,
    "g": 91,
    "b": 209
  },
  "hsl": {
    "h": 230.571,
    "s": 60.345,
    "l": 54.51
  },
  "oklch": {
    "l": 0.52261,
    "c": 0.18285,
    "h": 270.7
  },
  "luminance": 0.13351
}

Semantic roles & 50–950 ramp

primary

#455BD1

secondary

#D7CD9B

accent

#CA44E3

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #455BD1

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

Preview Lab → · Contrast checker → · Palette generator →