#455DCF#455DCF

#455DCF is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.5% C 0.178 H 270.2°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#455DCF
RGB	rgb(69, 93, 207)
HSL	hsl(230, 59%, 54%)
HSV	hsv(230, 67%, 81%)
CMYK	cmyk(66.7%, 55.1%, 0%, 18.8%)
CIE-LAB	lab(43.65, 28.03, -61.77)
CIE-LCH	lch(43.65, 67.83, 294.40°)
OKLab	oklab(52.49% 0.0006 -0.1777)
OKLCH	oklch(52.49% 0.178 270.2)
XYZ	xyz(17.6273, 13.5973, 60.7150)
Luminance	0.1360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455DCF #CFB745

analogous

#45A2CF #455DCF #7245CF

triadic

#455DCF #CF455D #5DCF45

tetradic

#455DCF #CF45A2 #CFB745 #45CF72

square

#455DCF #CF45A2 #CFB745 #45CF72

split-complementary

#455DCF #CF7245 #A2CF45

monochromatic

#202F7A #2C42AB #455DCF #7687DC #A6B2E8

Accessibility & contrast

On white

5.65

#455DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#455DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455DCF

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455DCF	#FFFFFF	#000000	##FFFFFF
##455DCF	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#00788D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #455dcf;
/* rgb */ color: rgb(69, 93, 207);
/* oklch */ color: oklch(52.5% 0.178 270.2);

Tailwind

colors: {
  custom: {
    50: '#888ade',
    500: '#455dcf',
    950: '#000000',
  },
}

SCSS

$custom: #455dcf;
$custom-light: #888ade;
$custom-dark: #000000;

JSON

{
  "hex": "#455dcf",
  "rgb": {
    "r": 69,
    "g": 93,
    "b": 207
  },
  "hsl": {
    "h": 229.565,
    "s": 58.974,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52488,
    "c": 0.17768,
    "h": 270.2
  },
  "luminance": 0.13599
}

Semantic roles & 50–950 ramp

primary

#455DCF

secondary

#D5CB9B

accent

#C746E2

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #455DCF

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

Preview Lab → · Contrast checker → · Palette generator →