#457CDC#457CDC

#457CDC is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.7% C 0.158 H 260.7°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#457CDC
RGB	rgb(69, 124, 220)
HSL	hsl(218, 68%, 57%)
HSV	hsv(218, 69%, 86%)
CMYK	cmyk(68.6%, 43.6%, 0%, 13.7%)
CIE-LAB	lab(52.78, 13.18, -54.46)
CIE-LCH	lch(52.78, 56.04, 283.61°)
OKLab	oklab(59.71% -0.0255 -0.1557)
OKLCH	oklch(59.71% 0.158 260.7)
XYZ	xyz(22.5755, 20.8455, 70.5301)
Luminance	0.2085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CDC #DCA545

analogous

#45C7DC #457CDC #5A45DC

triadic

#457CDC #DC457C #7CDC45

tetradic

#457CDC #DC45C7 #DCA545 #45DC5A

square

#457CDC #DC45C7 #DCA545 #45DC5A

split-complementary

#457CDC #DC5A45 #C7DC45

monochromatic

#1A448C #245DC0 #457CDC #79A0E6 #ACC5EF

Accessibility & contrast

On white

4.06

#457CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#457CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CDC

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CDC	#FFFFFF	#000000	##000000
##457CDC	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D85E0

Deuteranopia (green-blind)

#3278DA

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #457cdc;
/* rgb */ color: rgb(69, 124, 220);
/* oklch */ color: oklch(59.7% 0.158 260.7);

Tailwind

colors: {
  custom: {
    50: '#89a1e7',
    500: '#457cdc',
    950: '#000000',
  },
}

SCSS

$custom: #457cdc;
$custom-light: #89a1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#457cdc",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 220
  },
  "hsl": {
    "h": 218.146,
    "s": 68.326,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59709,
    "c": 0.15779,
    "h": 260.7
  },
  "luminance": 0.20848
}

Semantic roles & 50–950 ramp

primary

#457CDC

secondary

#DDC7A0

accent

#AC3DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #457CDC

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

Preview Lab → · Contrast checker → · Palette generator →