#457CCC#457CCC

#457CCC is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.7% C 0.136 H 257.8°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#457CCC
RGB	rgb(69, 124, 204)
HSL	hsl(216, 57%, 54%)
HSV	hsv(216, 66%, 80%)
CMYK	cmyk(66.2%, 39.2%, 0%, 20%)
CIE-LAB	lab(51.88, 7.54, -46.84)
CIE-LCH	lch(51.88, 47.45, 279.15°)
OKLab	oklab(58.72% -0.0287 -0.1333)
OKLCH	oklch(58.72% 0.136 257.8)
XYZ	xyz(20.5571, 20.0381, 59.8994)
Luminance	0.2004 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CCC #CC9545

analogous

#45BFCC #457CCC #5145CC

triadic

#457CCC #CC457C #7CCC45

tetradic

#457CCC #CC45BF #CC9545 #45CC51

square

#457CCC #CC45BF #CC9545 #45CC51

split-complementary

#457CCC #CC5145 #BFCC45

monochromatic

#204376 #2E5FA6 #457CCC #759ED9 #A5C0E6

Accessibility & contrast

On white

4.19

#457CCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#457CCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CCC

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CCC	#FFFFFF	#000000	##000000
##457CCC	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5883CF

Deuteranopia (green-blind)

#4476CA

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #457ccc;
/* rgb */ color: rgb(69, 124, 204);
/* oklch */ color: oklch(58.7% 0.136 257.8);

Tailwind

colors: {
  custom: {
    50: '#86a1dc',
    500: '#457ccc',
    950: '#000000',
  },
}

SCSS

$custom: #457ccc;
$custom-light: #86a1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#457ccc",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 204
  },
  "hsl": {
    "h": 215.556,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58721,
    "c": 0.1364,
    "h": 257.8
  },
  "luminance": 0.2004
}

Semantic roles & 50–950 ramp

primary

#457CCC

secondary

#D3BC99

accent

#A248E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #457CCC

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

Preview Lab → · Contrast checker → · Palette generator →