#457CB3#457CB3

#457CB3 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.3% C 0.104 H 250.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#457CB3
RGB	rgb(69, 124, 179)
HSL	hsl(210, 44%, 49%)
HSV	hsv(210, 61%, 70%)
CMYK	cmyk(61.5%, 30.7%, 0%, 29.8%)
CIE-LAB	lab(50.61, -1.07, -34.52)
CIE-LCH	lch(50.61, 34.54, 268.23°)
OKLab	oklab(57.31% -0.0353 -0.0974)
OKLCH	oklch(57.31% 0.104 250.1)
XYZ	xyz(17.7956, 18.9335, 45.3558)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CB3 #B37C45

analogous

#45B3B3 #457CB3 #4545B3

triadic

#457CB3 #B3457C #7CB345

tetradic

#457CB3 #B345B3 #B37C45 #45B345

square

#457CB3 #B345B3 #B37C45 #45B345

split-complementary

#457CB3 #B34545 #B3B345

monochromatic

#233F5B #345D87 #457CB3 #6E9BC7 #9AB9D8

Accessibility & contrast

On white

4.39

#457CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#457CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CB3

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CB3	#FFFFFF	#000000	##000000
##457CB3	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657EB5

Deuteranopia (green-blind)

#5674B2

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #457cb3;
/* rgb */ color: rgb(69, 124, 179);
/* oklch */ color: oklch(57.3% 0.104 250.1);

Tailwind

colors: {
  custom: {
    50: '#82a1ca',
    500: '#457cb3',
    950: '#000000',
  },
}

SCSS

$custom: #457cb3;
$custom-light: #82a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#457cb3",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 179
  },
  "hsl": {
    "h": 210,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57312,
    "c": 0.10358,
    "h": 250.1
  },
  "luminance": 0.18935
}

Semantic roles & 50–950 ramp

primary

#457CB3

secondary

#C4AA8F

accent

#9454D4

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #457CB3

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

Preview Lab → · Contrast checker → · Palette generator →