#457CB7#457CB7

#457CB7 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.5% C 0.109 H 251.7°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#457CB7
RGB	rgb(69, 124, 183)
HSL	hsl(211, 45%, 49%)
HSV	hsv(211, 62%, 72%)
CMYK	cmyk(62.3%, 32.2%, 0%, 28.2%)
CIE-LAB	lab(50.80, 0.29, -36.53)
CIE-LCH	lch(50.80, 36.53, 270.45°)
OKLab	oklab(57.53% -0.0341 -0.1032)
OKLCH	oklch(57.53% 0.109 251.7)
XYZ	xyz(18.2060, 19.0977, 47.5173)
Luminance	0.1910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CB7 #B78045

analogous

#45B5B7 #457CB7 #4745B7

triadic

#457CB7 #B7457C #7CB745

tetradic

#457CB7 #B745B5 #B78045 #45B747

square

#457CB7 #B745B5 #B78045 #45B747

split-complementary

#457CB7 #B74745 #B5B745

monochromatic

#23405E #345E8B #457CB7 #709BC9 #9DBADA

Accessibility & contrast

On white

4.36

#457CB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#457CB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CB7

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CB7	#FFFFFF	#000000	##000000
##457CB7	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637FBA

Deuteranopia (green-blind)

#5374B6

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #457cb7;
/* rgb */ color: rgb(69, 124, 183);
/* oklch */ color: oklch(57.5% 0.109 251.7);

Tailwind

colors: {
  custom: {
    50: '#83a1cd',
    500: '#457cb7',
    950: '#000000',
  },
}

SCSS

$custom: #457cb7;
$custom-light: #83a1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#457cb7",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 183
  },
  "hsl": {
    "h": 211.053,
    "s": 45.238,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57526,
    "c": 0.1087,
    "h": 251.7
  },
  "luminance": 0.19099
}

Semantic roles & 50–950 ramp

primary

#457CB7

secondary

#C6AD92

accent

#9653D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #457CB7

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

Preview Lab → · Contrast checker → · Palette generator →