#457CB0#457CB0

#457CB0 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.2% C 0.100 H 248.7°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#457CB0
RGB	rgb(69, 124, 176)
HSL	hsl(209, 44%, 48%)
HSV	hsv(209, 61%, 69%)
CMYK	cmyk(60.8%, 29.5%, 0%, 31%)
CIE-LAB	lab(50.47, -2.08, -33.01)
CIE-LCH	lch(50.47, 33.08, 266.40°)
OKLab	oklab(57.16% -0.0362 -0.093)
OKLCH	oklch(57.16% 0.1 248.7)
XYZ	xyz(17.4955, 18.8135, 43.7752)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CB0 #B07945

analogous

#45B0AE #457CB0 #4547B0

triadic

#457CB0 #B0457C #7CB045

tetradic

#457CB0 #AE45B0 #B07945 #47B045

square

#457CB0 #AE45B0 #B07945 #47B045

split-complementary

#457CB0 #B04547 #B0AE45

monochromatic

#233E58 #345D84 #457CB0 #6D9AC6 #99B9D7

Accessibility & contrast

On white

4.41

#457CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#457CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CB0

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CB0	#FFFFFF	#000000	##000000
##457CB0	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667EB2

Deuteranopia (green-blind)

#5773AF

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #457cb0;
/* rgb */ color: rgb(69, 124, 176);
/* oklch */ color: oklch(57.2% 0.100 248.7);

Tailwind

colors: {
  custom: {
    50: '#82a1c8',
    500: '#457cb0',
    950: '#000000',
  },
}

SCSS

$custom: #457cb0;
$custom-light: #82a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#457cb0",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 176
  },
  "hsl": {
    "h": 209.159,
    "s": 43.673,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57155,
    "c": 0.0998,
    "h": 248.7
  },
  "luminance": 0.18815
}

Semantic roles & 50–950 ramp

primary

#457CB0

secondary

#C3A88E

accent

#9254D3

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #457CB0

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

Preview Lab → · Contrast checker → · Palette generator →