#457BBB#457BBB

#457BBB is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.5% C 0.115 H 253.9°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#457BBB
RGB	rgb(69, 123, 187)
HSL	hsl(213, 46%, 50%)
HSV	hsv(213, 63%, 73%)
CMYK	cmyk(63.1%, 34.2%, 0%, 26.7%)
CIE-LAB	lab(50.71, 2.25, -38.98)
CIE-LCH	lch(50.71, 39.04, 273.31°)
OKLab	oklab(57.52% -0.0319 -0.1104)
OKLCH	oklch(57.52% 0.115 253.9)
XYZ	xyz(18.5036, 19.0172, 49.6996)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BBB #BB8545

analogous

#45B6BB #457BBB #4A45BB

triadic

#457BBB #BB457B #7BBB45

tetradic

#457BBB #BB45B6 #BB8545 #45BB4A

square

#457BBB #BB45B6 #BB8545 #45BB4A

split-complementary

#457BBB #BB4A45 #B6BB45

monochromatic

#244062 #345E8F #457BBB #729BCB #9FBBDC

Accessibility & contrast

On white

4.37

#457BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#457BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BBB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BBB	#FFFFFF	#000000	##000000
##457BBB	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607FBE

Deuteranopia (green-blind)

#4F74BA

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #457bbb;
/* rgb */ color: rgb(69, 123, 187);
/* oklch */ color: oklch(57.5% 0.115 253.9);

Tailwind

colors: {
  custom: {
    50: '#84a0d0',
    500: '#457bbb',
    950: '#000000',
  },
}

SCSS

$custom: #457bbb;
$custom-light: #84a0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#457bbb",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 187
  },
  "hsl": {
    "h": 212.542,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57517,
    "c": 0.11489,
    "h": 253.9
  },
  "luminance": 0.19019
}

Semantic roles & 50–950 ramp

primary

#457BBB

secondary

#C8B094

accent

#9A52D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #457BBB

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

Preview Lab → · Contrast checker → · Palette generator →