#457CDB#457CDB

#457CDB is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.6% C 0.156 H 260.5°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#457CDB
RGB	rgb(69, 124, 219)
HSL	hsl(218, 68%, 56%)
HSV	hsv(218, 68%, 86%)
CMYK	cmyk(68.5%, 43.4%, 0%, 14.1%)
CIE-LAB	lab(52.72, 12.83, -53.99)
CIE-LCH	lch(52.72, 55.50, 283.37°)
OKLab	oklab(59.65% -0.0257 -0.1543)
OKLCH	oklch(59.65% 0.156 260.5)
XYZ	xyz(22.4435, 20.7927, 69.8347)
Luminance	0.2079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CDB #DBA445

analogous

#45C7DB #457CDB #5945DB

triadic

#457CDB #DB457C #7CDB45

tetradic

#457CDB #DB45C7 #DBA445 #45DB59

square

#457CDB #DB45C7 #DBA445 #45DB59

split-complementary

#457CDB #DB5945 #C7DB45

monochromatic

#1B448B #255DBE #457CDB #78A0E5 #ACC4EF

Accessibility & contrast

On white

4.07

#457CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#457CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CDB

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CDB	#FFFFFF	#000000	##000000
##457CDB	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)

#4E85DF

Deuteranopia (green-blind)

#3477D9

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #457cdb;
/* rgb */ color: rgb(69, 124, 219);
/* oklch */ color: oklch(59.6% 0.156 260.5);

Tailwind

colors: {
  custom: {
    50: '#89a1e7',
    500: '#457cdb',
    950: '#000000',
  },
}

SCSS

$custom: #457cdb;
$custom-light: #89a1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#457cdb",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 219
  },
  "hsl": {
    "h": 218,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.59645,
    "c": 0.15646,
    "h": 260.5
  },
  "luminance": 0.20795
}

Semantic roles & 50–950 ramp

primary

#457CDB

secondary

#DDC69F

accent

#AB3DEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #457CDB

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

Preview Lab → · Contrast checker → · Palette generator →