#457DDB#457DDB

#457DDB is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.9% C 0.155 H 260.1°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#457DDB
RGB	rgb(69, 125, 219)
HSL	hsl(218, 68%, 56%)
HSV	hsv(218, 68%, 86%)
CMYK	cmyk(68.5%, 42.9%, 0%, 14.1%)
CIE-LAB	lab(53.00, 12.22, -53.55)
CIE-LCH	lch(53.00, 54.93, 282.85°)
OKLab	oklab(59.86% -0.0266 -0.153)
OKLCH	oklch(59.86% 0.155 260.1)
XYZ	xyz(22.5695, 21.0446, 69.8767)
Luminance	0.2105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457DDB #DBA345

analogous

#45C8DB #457DDB #5845DB

triadic

#457DDB #DB457D #7DDB45

tetradic

#457DDB #DB45C8 #DBA345 #45DB58

square

#457DDB #DB45C8 #DBA345 #45DB58

split-complementary

#457DDB #DB5845 #C8DB45

monochromatic

#1B458B #255EBE #457DDB #78A1E5 #ACC5EF

Accessibility & contrast

On white

4.03

#457DDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#457DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457DDB

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457DDB	#FFFFFF	#000000	##000000
##457DDB	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5086DF

Deuteranopia (green-blind)

#3678D9

Tritanopia (blue-blind)

#0093A1

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #457ddb;
/* rgb */ color: rgb(69, 125, 219);
/* oklch */ color: oklch(59.9% 0.155 260.1);

Tailwind

colors: {
  custom: {
    50: '#89a2e7',
    500: '#457ddb',
    950: '#000000',
  },
}

SCSS

$custom: #457ddb;
$custom-light: #89a2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#457ddb",
  "rgb": {
    "r": 69,
    "g": 125,
    "b": 219
  },
  "hsl": {
    "h": 217.6,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.59859,
    "c": 0.15532,
    "h": 260.1
  },
  "luminance": 0.21047
}

Semantic roles & 50–950 ramp

primary

#457DDB

secondary

#DDC69F

accent

#AA3DEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #457DDB

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

Preview Lab → · Contrast checker → · Palette generator →