#457CB8#457CB8

#457CB8 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.110 H 252.1°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#457CB8
RGB	rgb(69, 124, 184)
HSL	hsl(211, 45%, 50%)
HSV	hsv(211, 63%, 72%)
CMYK	cmyk(62.5%, 32.6%, 0%, 27.8%)
CIE-LAB	lab(50.85, 0.63, -37.03)
CIE-LCH	lch(50.85, 37.03, 270.97°)
OKLab	oklab(57.58% -0.0338 -0.1047)
OKLCH	oklch(57.58% 0.11 252.1)
XYZ	xyz(18.3105, 19.1395, 48.0674)
Luminance	0.1914 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CB8 #B88145

analogous

#45B6B8 #457CB8 #4745B8

triadic

#457CB8 #B8457C #7CB845

tetradic

#457CB8 #B845B6 #B88145 #45B847

square

#457CB8 #B845B6 #B88145 #45B847

split-complementary

#457CB8 #B84745 #B6B845

monochromatic

#24405F #345E8B #457CB8 #719BCA #9DBADA

Accessibility & contrast

On white

4.35

#457CB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#457CB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CB8

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CB8	#FFFFFF	#000000	##000000
##457CB8	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627FBB

Deuteranopia (green-blind)

#5374B7

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #457cb8;
/* rgb */ color: rgb(69, 124, 184);
/* oklch */ color: oklch(57.6% 0.110 252.1);

Tailwind

colors: {
  custom: {
    50: '#83a1cd',
    500: '#457cb8',
    950: '#000000',
  },
}

SCSS

$custom: #457cb8;
$custom-light: #83a1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#457cb8",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 184
  },
  "hsl": {
    "h": 211.304,
    "s": 45.455,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5758,
    "c": 0.11,
    "h": 252.1
  },
  "luminance": 0.19141
}

Semantic roles & 50–950 ramp

primary

#457CB8

secondary

#C7AE92

accent

#9753D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #457CB8

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

Preview Lab → · Contrast checker → · Palette generator →