#457FDF#457FDF

#457FDF is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.158 H 259.9°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#457FDF
RGB	rgb(69, 127, 223)
HSL	hsl(217, 71%, 57%)
HSV	hsv(217, 69%, 87%)
CMYK	cmyk(69.1%, 43%, 0%, 12.5%)
CIE-LAB	lab(53.78, 12.41, -54.55)
CIE-LCH	lch(53.78, 55.94, 282.81°)
OKLab	oklab(60.54% -0.0277 -0.1559)
OKLCH	oklch(60.54% 0.158 259.9)
XYZ	xyz(23.3581, 21.7692, 72.7686)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457FDF #DFA545

analogous

#45CCDF #457FDF #5845DF

triadic

#457FDF #DF457F #7FDF45

tetradic

#457FDF #DF45CC #DFA545 #45DF58

square

#457FDF #DF45CC #DFA545 #45DF58

split-complementary

#457FDF #DF5845 #CCDF45

monochromatic

#194691 #225FC5 #457FDF #79A3E8 #ADC7F1

Accessibility & contrast

On white

3.92

#457FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#457FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457FDF

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457FDF	#FFFFFF	#000000	##000000
##457FDF	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5188E3

Deuteranopia (green-blind)

#367ADD

Tritanopia (blue-blind)

#0095A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #457fdf;
/* rgb */ color: rgb(69, 127, 223);
/* oklch */ color: oklch(60.5% 0.158 259.9);

Tailwind

colors: {
  custom: {
    50: '#8aa3e9',
    500: '#457fdf',
    950: '#000000',
  },
}

SCSS

$custom: #457fdf;
$custom-light: #8aa3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#457fdf",
  "rgb": {
    "r": 69,
    "g": 127,
    "b": 223
  },
  "hsl": {
    "h": 217.403,
    "s": 70.642,
    "l": 57.255
  },
  "oklch": {
    "l": 0.60538,
    "c": 0.15836,
    "h": 259.9
  },
  "luminance": 0.21772
}

Semantic roles & 50–950 ramp

primary

#457FDF

secondary

#DFC8A1

accent

#AA3AED

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #457FDF

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

Preview Lab → · Contrast checker → · Palette generator →