#457BB8#457BB8

#457BB8 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.4% C 0.111 H 252.8°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#457BB8
RGB	rgb(69, 123, 184)
HSL	hsl(212, 45%, 50%)
HSV	hsv(212, 63%, 72%)
CMYK	cmyk(62.5%, 33.2%, 0%, 27.8%)
CIE-LAB	lab(50.56, 1.23, -37.49)
CIE-LCH	lch(50.56, 37.51, 271.87°)
OKLab	oklab(57.35% -0.0328 -0.106)
OKLCH	oklch(57.35% 0.111 252.8)
XYZ	xyz(18.1858, 18.8901, 48.0259)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BB8 #B88245

analogous

#45B5B8 #457BB8 #4845B8

triadic

#457BB8 #B8457B #7BB845

tetradic

#457BB8 #B845B5 #B88245 #45B848

square

#457BB8 #B845B5 #B88245 #45B848

split-complementary

#457BB8 #B84845 #B5B845

monochromatic

#243F5F #345D8B #457BB8 #719ACA #9DBADA

Accessibility & contrast

On white

4.39

#457BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#457BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BB8

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BB8	#FFFFFF	#000000	##000000
##457BB8	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617EBB

Deuteranopia (green-blind)

#5173B7

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #457bb8;
/* rgb */ color: rgb(69, 123, 184);
/* oklch */ color: oklch(57.4% 0.111 252.8);

Tailwind

colors: {
  custom: {
    50: '#83a0cd',
    500: '#457bb8',
    950: '#000000',
  },
}

SCSS

$custom: #457bb8;
$custom-light: #83a0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#457bb8",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 184
  },
  "hsl": {
    "h": 211.826,
    "s": 45.455,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57352,
    "c": 0.11096,
    "h": 252.8
  },
  "luminance": 0.18892
}

Semantic roles & 50–950 ramp

primary

#457BB8

secondary

#C7AE92

accent

#9853D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #457BB8

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

Preview Lab → · Contrast checker → · Palette generator →