#457BCC#457BCC

#457BCC is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.5% C 0.138 H 258.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#457BCC
RGB	rgb(69, 123, 204)
HSL	hsl(216, 57%, 54%)
HSV	hsv(216, 66%, 80%)
CMYK	cmyk(66.2%, 39.7%, 0%, 20%)
CIE-LAB	lab(51.60, 8.15, -47.29)
CIE-LCH	lch(51.60, 47.99, 279.78°)
OKLab	oklab(58.5% -0.0278 -0.1347)
OKLCH	oklch(58.5% 0.138 258.4)
XYZ	xyz(20.4324, 19.7887, 59.8578)
Luminance	0.1979 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BCC #CC9645

analogous

#45BECC #457BCC #5245CC

triadic

#457BCC #CC457B #7BCC45

tetradic

#457BCC #CC45BE #CC9645 #45CC52

square

#457BCC #CC45BE #CC9645 #45CC52

split-complementary

#457BCC #CC5245 #BECC45

monochromatic

#204376 #2E5EA6 #457BCC #759DD9 #A5BFE6

Accessibility & contrast

On white

4.24

#457BCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#457BCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BCC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BCC	#FFFFFF	#000000	##000000
##457BCC	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5682CF

Deuteranopia (green-blind)

#4275CA

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #457bcc;
/* rgb */ color: rgb(69, 123, 204);
/* oklch */ color: oklch(58.5% 0.138 258.4);

Tailwind

colors: {
  custom: {
    50: '#86a0dc',
    500: '#457bcc',
    950: '#000000',
  },
}

SCSS

$custom: #457bcc;
$custom-light: #86a0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#457bcc",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 204
  },
  "hsl": {
    "h": 216,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58501,
    "c": 0.13751,
    "h": 258.4
  },
  "luminance": 0.19791
}

Semantic roles & 50–950 ramp

primary

#457BCC

secondary

#D3BC99

accent

#A348E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #457BCC

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

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