#457BE0#457BE0

#457BE0 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.8% C 0.164 H 261.6°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#457BE0
RGB	rgb(69, 123, 224)
HSL	hsl(219, 71%, 57%)
HSV	hsv(219, 69%, 88%)
CMYK	cmyk(69.2%, 45.1%, 0%, 12.2%)
CIE-LAB	lab(52.74, 15.22, -56.77)
CIE-LCH	lch(52.74, 58.78, 285.01°)
OKLab	oklab(59.76% -0.0239 -0.1625)
OKLCH	oklch(59.76% 0.164 261.6)
XYZ	xyz(22.9870, 20.8106, 73.3120)
Luminance	0.2081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BE0 #E0AA45

analogous

#45C8E0 #457BE0 #5D45E0

triadic

#457BE0 #E0457B #7BE045

tetradic

#457BE0 #E045C8 #E0AA45 #45E05D

square

#457BE0 #E045C8 #E0AA45 #45E05D

split-complementary

#457BE0 #E05D45 #C8E045

monochromatic

#184392 #215BC7 #457BE0 #79A0E9 #AEC5F1

Accessibility & contrast

On white

4.07

#457BE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#457BE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BE0

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BE0	#FFFFFF	#000000	##000000
##457BE0	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4886E4

Deuteranopia (green-blind)

#2977DE

Tritanopia (blue-blind)

#0093A2

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #457be0;
/* rgb */ color: rgb(69, 123, 224);
/* oklch */ color: oklch(59.8% 0.164 261.6);

Tailwind

colors: {
  custom: {
    50: '#8aa0ea',
    500: '#457be0',
    950: '#000000',
  },
}

SCSS

$custom: #457be0;
$custom-light: #8aa0ea;
$custom-dark: #000000;

JSON

{
  "hex": "#457be0",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 224
  },
  "hsl": {
    "h": 219.097,
    "s": 71.429,
    "l": 57.451
  },
  "oklch": {
    "l": 0.59755,
    "c": 0.16428,
    "h": 261.6
  },
  "luminance": 0.20813
}

Semantic roles & 50–950 ramp

primary

#457BE0

secondary

#E0CAA1

accent

#AF3AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #457BE0

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

Preview Lab → · Contrast checker → · Palette generator →