#457CCB#457CCB

#457CCB is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.7% C 0.135 H 257.6°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#457CCB
RGB	rgb(69, 124, 203)
HSL	hsl(215, 56%, 53%)
HSV	hsv(215, 66%, 80%)
CMYK	cmyk(66%, 38.9%, 0%, 20.4%)
CIE-LAB	lab(51.83, 7.19, -46.36)
CIE-LCH	lch(51.83, 46.91, 278.82°)
OKLab	oklab(58.66% -0.029 -0.1319)
OKLCH	oklch(58.66% 0.135 257.6)
XYZ	xyz(20.4375, 19.9903, 59.2698)
Luminance	0.1999 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CCB #CB9445

analogous

#45BFCB #457CCB #5145CB

triadic

#457CCB #CB457C #7CCB45

tetradic

#457CCB #CB45BF #CB9445 #45CB51

square

#457CCB #CB45BF #CB9445 #45CB51

split-complementary

#457CCB #CB5145 #BFCB45

monochromatic

#214375 #2E5FA5 #457CCB #759ED8 #A5BFE6

Accessibility & contrast

On white

4.20

#457CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#457CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CCB

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CCB	#FFFFFF	#000000	##000000
##457CCB	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5982CE

Deuteranopia (green-blind)

#4576C9

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #457ccb;
/* rgb */ color: rgb(69, 124, 203);
/* oklch */ color: oklch(58.7% 0.135 257.6);

Tailwind

colors: {
  custom: {
    50: '#86a1db',
    500: '#457ccb',
    950: '#000000',
  },
}

SCSS

$custom: #457ccb;
$custom-light: #86a1db;
$custom-dark: #000000;

JSON

{
  "hex": "#457ccb",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 203
  },
  "hsl": {
    "h": 215.373,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58661,
    "c": 0.13508,
    "h": 257.6
  },
  "luminance": 0.19992
}

Semantic roles & 50–950 ramp

primary

#457CCB

secondary

#D3BB99

accent

#A148E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #457CCB

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

Preview Lab → · Contrast checker → · Palette generator →