#457BDB#457BDB

#457BDB is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.4% C 0.158 H 261.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#457BDB
RGB	rgb(69, 123, 219)
HSL	hsl(218, 68%, 56%)
HSV	hsv(218, 68%, 86%)
CMYK	cmyk(68.5%, 43.8%, 0%, 14.1%)
CIE-LAB	lab(52.45, 13.45, -54.43)
CIE-LCH	lch(52.45, 56.07, 283.87°)
OKLab	oklab(59.43% -0.0248 -0.1556)
OKLCH	oklch(59.43% 0.158 261)
XYZ	xyz(22.3188, 20.5433, 69.7931)
Luminance	0.2055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BDB #DBA545

analogous

#45C6DB #457BDB #5A45DB

triadic

#457BDB #DB457B #7BDB45

tetradic

#457BDB #DB45C6 #DBA545 #45DB5A

square

#457BDB #DB45C6 #DBA545 #45DB5A

split-complementary

#457BDB #DB5A45 #C6DB45

monochromatic

#1B438B #255CBE #457BDB #789FE5 #ACC4EF

Accessibility & contrast

On white

4.11

#457BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#457BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BDB

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BDB	#FFFFFF	#000000	##000000
##457BDB	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C85DF

Deuteranopia (green-blind)

#3177D9

Tritanopia (blue-blind)

#0091A0

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #457bdb;
/* rgb */ color: rgb(69, 123, 219);
/* oklch */ color: oklch(59.4% 0.158 261.0);

Tailwind

colors: {
  custom: {
    50: '#89a0e7',
    500: '#457bdb',
    950: '#000000',
  },
}

SCSS

$custom: #457bdb;
$custom-light: #89a0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#457bdb",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 219
  },
  "hsl": {
    "h": 218.4,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.59432,
    "c": 0.1576,
    "h": 261
  },
  "luminance": 0.20546
}

Semantic roles & 50–950 ramp

primary

#457BDB

secondary

#DDC79F

accent

#AC3DEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #457BDB

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

Preview Lab → · Contrast checker → · Palette generator →