#457CB5#457CB5

#457CB5 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.106 H 250.9°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#457CB5
RGB	rgb(69, 124, 181)
HSL	hsl(211, 45%, 49%)
HSV	hsv(211, 62%, 71%)
CMYK	cmyk(61.9%, 31.5%, 0%, 29%)
CIE-LAB	lab(50.70, -0.39, -35.53)
CIE-LCH	lch(50.70, 35.53, 269.37°)
OKLab	oklab(57.42% -0.0347 -0.1003)
OKLCH	oklch(57.42% 0.106 250.9)
XYZ	xyz(17.9994, 19.0150, 46.4288)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CB5 #B57E45

analogous

#45B4B5 #457CB5 #4645B5

triadic

#457CB5 #B5457C #7CB545

tetradic

#457CB5 #B545B4 #B57E45 #45B546

square

#457CB5 #B545B4 #B57E45 #45B546

split-complementary

#457CB5 #B54645 #B4B545

monochromatic

#233F5C #345E89 #457CB5 #6F9BC8 #9BBAD9

Accessibility & contrast

On white

4.37

#457CB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#457CB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CB5

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CB5	#FFFFFF	#000000	##000000
##457CB5	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)

#647FB7

Deuteranopia (green-blind)

#5574B4

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #457cb5;
/* rgb */ color: rgb(69, 124, 181);
/* oklch */ color: oklch(57.4% 0.106 250.9);

Tailwind

colors: {
  custom: {
    50: '#83a1cb',
    500: '#457cb5',
    950: '#000000',
  },
}

SCSS

$custom: #457cb5;
$custom-light: #83a1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#457cb5",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 181
  },
  "hsl": {
    "h": 210.536,
    "s": 44.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57419,
    "c": 0.10613,
    "h": 250.9
  },
  "luminance": 0.19017
}

Semantic roles & 50–950 ramp

primary

#457CB5

secondary

#C5AB91

accent

#9553D5

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #457CB5

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

Preview Lab → · Contrast checker → · Palette generator →