#457EB3#457EB3

#457EB3 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.8% C 0.102 H 248.4°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#457EB3
RGB	rgb(69, 126, 179)
HSL	hsl(209, 44%, 49%)
HSV	hsv(209, 61%, 70%)
CMYK	cmyk(61.5%, 29.6%, 0%, 29.8%)
CIE-LAB	lab(51.20, -2.26, -33.60)
CIE-LCH	lch(51.20, 33.68, 266.16°)
OKLab	oklab(57.78% -0.0375 -0.0947)
OKLCH	oklch(57.78% 0.102 248.4)
XYZ	xyz(18.0488, 19.4399, 45.4402)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457EB3 #B37A45

analogous

#45B3B1 #457EB3 #4547B3

triadic

#457EB3 #B3457E #7EB345

tetradic

#457EB3 #B145B3 #B37A45 #47B345

square

#457EB3 #B145B3 #B37A45 #47B345

split-complementary

#457EB3 #B34547 #B3B145

monochromatic

#23405B #345F87 #457EB3 #6E9CC7 #9ABAD8

Accessibility & contrast

On white

4.30

#457EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#457EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457EB3

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457EB3	#FFFFFF	#000000	##000000
##457EB3	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B5

Deuteranopia (green-blind)

#5875B2

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #457eb3;
/* rgb */ color: rgb(69, 126, 179);
/* oklch */ color: oklch(57.8% 0.102 248.4);

Tailwind

colors: {
  custom: {
    50: '#82a3ca',
    500: '#457eb3',
    950: '#000000',
  },
}

SCSS

$custom: #457eb3;
$custom-light: #82a3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#457eb3",
  "rgb": {
    "r": 69,
    "g": 126,
    "b": 179
  },
  "hsl": {
    "h": 208.909,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57775,
    "c": 0.10184,
    "h": 248.4
  },
  "luminance": 0.19442
}

Semantic roles & 50–950 ramp

primary

#457EB3

secondary

#C4A98F

accent

#9254D4

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #457EB3

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

Preview Lab → · Contrast checker → · Palette generator →