#457BB3#457BB3

#457BB3 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.104 H 250.9°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#457BB3
RGB	rgb(69, 123, 179)
HSL	hsl(211, 44%, 49%)
HSV	hsv(211, 61%, 70%)
CMYK	cmyk(61.5%, 31.3%, 0%, 29.8%)
CIE-LAB	lab(50.32, -0.47, -34.98)
CIE-LCH	lch(50.32, 34.99, 269.23°)
OKLab	oklab(57.08% -0.0342 -0.0987)
OKLCH	oklch(57.08% 0.104 250.9)
XYZ	xyz(17.6709, 18.6842, 45.3142)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BB3 #B37D45

analogous

#45B2B3 #457BB3 #4645B3

triadic

#457BB3 #B3457B #7BB345

tetradic

#457BB3 #B345B2 #B37D45 #45B346

square

#457BB3 #B345B2 #B37D45 #45B346

split-complementary

#457BB3 #B34645 #B2B345

monochromatic

#233E5B #345D87 #457BB3 #6E9AC7 #9AB9D8

Accessibility & contrast

On white

4.43

#457BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#457BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BB3

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BB3	#FFFFFF	#000000	##000000
##457BB3	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637EB5

Deuteranopia (green-blind)

#5473B2

Tritanopia (blue-blind)

#00888F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #457bb3;
/* rgb */ color: rgb(69, 123, 179);
/* oklch */ color: oklch(57.1% 0.104 250.9);

Tailwind

colors: {
  custom: {
    50: '#82a0ca',
    500: '#457bb3',
    950: '#000000',
  },
}

SCSS

$custom: #457bb3;
$custom-light: #82a0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#457bb3",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 179
  },
  "hsl": {
    "h": 210.545,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57082,
    "c": 0.10448,
    "h": 250.9
  },
  "luminance": 0.18686
}

Semantic roles & 50–950 ramp

primary

#457BB3

secondary

#C4AA8F

accent

#9554D4

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #457BB3

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

Preview Lab → · Contrast checker → · Palette generator →