#457BB1#457BB1

#457BB1 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 57.0% C 0.102 H 250.0°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#457BB1
RGB	rgb(69, 123, 177)
HSL	hsl(210, 44%, 48%)
HSV	hsv(210, 61%, 69%)
CMYK	cmyk(61%, 30.5%, 0%, 30.6%)
CIE-LAB	lab(50.22, -1.15, -33.98)
CIE-LCH	lch(50.22, 34.00, 268.07°)
OKLab	oklab(56.98% -0.0348 -0.0958)
OKLCH	oklch(56.98% 0.102 250)
XYZ	xyz(17.4701, 18.6038, 44.2567)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BB1 #B17B45

analogous

#45B1B1 #457BB1 #4545B1

triadic

#457BB1 #B1457B #7BB145

tetradic

#457BB1 #B145B1 #B17B45 #45B145

square

#457BB1 #B145B1 #B17B45 #45B145

split-complementary

#457BB1 #B14545 #B1B145

monochromatic

#233E59 #345C85 #457BB1 #6D9AC6 #99B8D7

Accessibility & contrast

On white

4.45

#457BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#457BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BB1

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BB1	#FFFFFF	#000000	##000000
##457BB1	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647DB3

Deuteranopia (green-blind)

#5673B0

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #457bb1;
/* rgb */ color: rgb(69, 123, 177);
/* oklch */ color: oklch(57.0% 0.102 250.0);

Tailwind

colors: {
  custom: {
    50: '#82a0c8',
    500: '#457bb1',
    950: '#000000',
  },
}

SCSS

$custom: #457bb1;
$custom-light: #82a0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#457bb1",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 177
  },
  "hsl": {
    "h": 210,
    "s": 43.902,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56976,
    "c": 0.10193,
    "h": 250
  },
  "luminance": 0.18605
}

Semantic roles & 50–950 ramp

primary

#457BB1

secondary

#C3A98E

accent

#9454D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #457BB1

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

Preview Lab → · Contrast checker → · Palette generator →