#457BB5#457BB5

#457BB5 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.2% C 0.107 H 251.7°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#457BB5
RGB	rgb(69, 123, 181)
HSL	hsl(211, 45%, 49%)
HSV	hsv(211, 62%, 71%)
CMYK	cmyk(61.9%, 32%, 0%, 29%)
CIE-LAB	lab(50.41, 0.21, -35.99)
CIE-LCH	lch(50.41, 35.99, 270.33°)
OKLab	oklab(57.19% -0.0336 -0.1016)
OKLCH	oklch(57.19% 0.107 251.7)
XYZ	xyz(17.8747, 18.7657, 46.3873)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BB5 #B57F45

analogous

#45B3B5 #457BB5 #4745B5

triadic

#457BB5 #B5457B #7BB545

tetradic

#457BB5 #B545B3 #B57F45 #45B547

square

#457BB5 #B545B3 #B57F45 #45B547

split-complementary

#457BB5 #B54745 #B3B545

monochromatic

#233F5C #345D89 #457BB5 #6F9AC8 #9BB9D9

Accessibility & contrast

On white

4.42

#457BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#457BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BB5

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BB5	#FFFFFF	#000000	##000000
##457BB5	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627EB7

Deuteranopia (green-blind)

#5373B4

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #457bb5;
/* rgb */ color: rgb(69, 123, 181);
/* oklch */ color: oklch(57.2% 0.107 251.7);

Tailwind

colors: {
  custom: {
    50: '#83a0cb',
    500: '#457bb5',
    950: '#000000',
  },
}

SCSS

$custom: #457bb5;
$custom-light: #83a0cb;
$custom-dark: #000000;

JSON

{
  "hex": "#457bb5",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 181
  },
  "hsl": {
    "h": 211.071,
    "s": 44.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57189,
    "c": 0.10706,
    "h": 251.7
  },
  "luminance": 0.18767
}

Semantic roles & 50–950 ramp

primary

#457BB5

secondary

#C5AC91

accent

#9653D5

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #457BB5

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

Preview Lab → · Contrast checker → · Palette generator →