#457CDF#457CDF

#457CDF is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.9% C 0.162 H 261.1°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#457CDF
RGB	rgb(69, 124, 223)
HSL	hsl(219, 71%, 57%)
HSV	hsv(219, 69%, 87%)
CMYK	cmyk(69.1%, 44.4%, 0%, 12.5%)
CIE-LAB	lab(52.96, 14.25, -55.87)
CIE-LCH	lch(52.96, 57.66, 284.31°)
OKLab	oklab(59.9% -0.025 -0.1598)
OKLCH	oklch(59.9% 0.162 261.1)
XYZ	xyz(22.9764, 21.0059, 72.6414)
Luminance	0.2101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CDF #DFA845

analogous

#45C9DF #457CDF #5B45DF

triadic

#457CDF #DF457C #7CDF45

tetradic

#457CDF #DF45C9 #DFA845 #45DF5B

square

#457CDF #DF45C9 #DFA845 #45DF5B

split-complementary

#457CDF #DF5B45 #C9DF45

monochromatic

#194491 #225CC5 #457CDF #79A1E8 #ADC6F1

Accessibility & contrast

On white

4.04

#457CDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#457CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CDF

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CDF	#FFFFFF	#000000	##000000
##457CDF	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B86E3

Deuteranopia (green-blind)

#2E78DD

Tritanopia (blue-blind)

#0093A3

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #457cdf;
/* rgb */ color: rgb(69, 124, 223);
/* oklch */ color: oklch(59.9% 0.162 261.1);

Tailwind

colors: {
  custom: {
    50: '#8aa1e9',
    500: '#457cdf',
    950: '#000000',
  },
}

SCSS

$custom: #457cdf;
$custom-light: #8aa1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#457cdf",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 223
  },
  "hsl": {
    "h": 218.571,
    "s": 70.642,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59901,
    "c": 0.16179,
    "h": 261.1
  },
  "luminance": 0.21008
}

Semantic roles & 50–950 ramp

primary

#457CDF

secondary

#DFC9A1

accent

#AD3AED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #457CDF

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

Preview Lab → · Contrast checker → · Palette generator →