#457BCB#457BCB

#457BCB is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.4% C 0.136 H 258.1°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#457BCB
RGB	rgb(69, 123, 203)
HSL	hsl(216, 56%, 53%)
HSV	hsv(216, 66%, 80%)
CMYK	cmyk(66%, 39.4%, 0%, 20.4%)
CIE-LAB	lab(51.54, 7.80, -46.81)
CIE-LCH	lch(51.54, 47.46, 279.47°)
OKLab	oklab(58.44% -0.028 -0.1333)
OKLCH	oklch(58.44% 0.136 258.1)
XYZ	xyz(20.3128, 19.7409, 59.2282)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BCB #CB9545

analogous

#45BECB #457BCB #5245CB

triadic

#457BCB #CB457B #7BCB45

tetradic

#457BCB #CB45BE #CB9545 #45CB52

square

#457BCB #CB45BE #CB9545 #45CB52

split-complementary

#457BCB #CB5245 #BECB45

monochromatic

#214375 #2E5EA5 #457BCB #759DD8 #A5BFE6

Accessibility & contrast

On white

4.24

#457BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#457BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BCB

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BCB	#FFFFFF	#000000	##000000
##457BCB	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5782CE

Deuteranopia (green-blind)

#4375C9

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #457bcb;
/* rgb */ color: rgb(69, 123, 203);
/* oklch */ color: oklch(58.4% 0.136 258.1);

Tailwind

colors: {
  custom: {
    50: '#86a0db',
    500: '#457bcb',
    950: '#000000',
  },
}

SCSS

$custom: #457bcb;
$custom-light: #86a0db;
$custom-dark: #000000;

JSON

{
  "hex": "#457bcb",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 203
  },
  "hsl": {
    "h": 215.821,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58441,
    "c": 0.13617,
    "h": 258.1
  },
  "luminance": 0.19743
}

Semantic roles & 50–950 ramp

primary

#457BCB

secondary

#D3BB99

accent

#A348E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #457BCB

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

Preview Lab → · Contrast checker → · Palette generator →