#457BB9#457BB9

#457BB9 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.4% C 0.112 H 253.2°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#457BB9
RGB	rgb(69, 123, 185)
HSL	hsl(212, 46%, 50%)
HSV	hsv(212, 63%, 73%)
CMYK	cmyk(62.7%, 33.5%, 0%, 27.5%)
CIE-LAB	lab(50.61, 1.57, -37.98)
CIE-LCH	lch(50.61, 38.02, 272.36°)
OKLab	oklab(57.41% -0.0325 -0.1075)
OKLCH	oklch(57.41% 0.112 253.2)
XYZ	xyz(18.2910, 18.9322, 48.5799)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BB9 #B98345

analogous

#45B5B9 #457BB9 #4945B9

triadic

#457BB9 #B9457B #7BB945

tetradic

#457BB9 #B945B5 #B98345 #45B949

square

#457BB9 #B945B5 #B98345 #45B949

split-complementary

#457BB9 #B94945 #B5B945

monochromatic

#244060 #345D8C #457BB9 #719BCA #9EBADB

Accessibility & contrast

On white

4.39

#457BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#457BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BB9

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BB9	#FFFFFF	#000000	##000000
##457BB9	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)

#607FBC

Deuteranopia (green-blind)

#5173B8

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #457bb9;
/* rgb */ color: rgb(69, 123, 185);
/* oklch */ color: oklch(57.4% 0.112 253.2);

Tailwind

colors: {
  custom: {
    50: '#83a0ce',
    500: '#457bb9',
    950: '#000000',
  },
}

SCSS

$custom: #457bb9;
$custom-light: #83a0ce;
$custom-dark: #000000;

JSON

{
  "hex": "#457bb9",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 185
  },
  "hsl": {
    "h": 212.069,
    "s": 45.669,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57406,
    "c": 0.11226,
    "h": 253.2
  },
  "luminance": 0.18934
}

Semantic roles & 50–950 ramp

primary

#457BB9

secondary

#C7AF93

accent

#9852D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #457BB9

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

Preview Lab → · Contrast checker → · Palette generator →