#457CB4#457CB4

#457CB4 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.105 H 250.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#457CB4
RGB	rgb(69, 124, 180)
HSL	hsl(210, 45%, 49%)
HSV	hsv(210, 62%, 71%)
CMYK	cmyk(61.7%, 31.1%, 0%, 29.4%)
CIE-LAB	lab(50.66, -0.73, -35.03)
CIE-LCH	lch(50.66, 35.03, 268.81°)
OKLab	oklab(57.37% -0.035 -0.0988)
OKLCH	oklch(57.37% 0.105 250.5)
XYZ	xyz(17.8971, 18.9741, 45.8904)
Luminance	0.1898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457CB4 #B47D45

analogous

#45B4B4 #457CB4 #4645B4

triadic

#457CB4 #B4457C #7CB445

tetradic

#457CB4 #B445B4 #B47D45 #45B446

square

#457CB4 #B445B4 #B47D45 #45B446

split-complementary

#457CB4 #B44645 #B4B445

monochromatic

#233F5C #345E88 #457CB4 #6F9BC8 #9BB9D9

Accessibility & contrast

On white

4.38

#457CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#457CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457CB4

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457CB4	#FFFFFF	#000000	##000000
##457CB4	1.00	4.38	4.80	4.80
#FFFFFF	4.38	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)

#647FB6

Deuteranopia (green-blind)

#5574B3

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #457cb4;
/* rgb */ color: rgb(69, 124, 180);
/* oklch */ color: oklch(57.4% 0.105 250.5);

Tailwind

colors: {
  custom: {
    50: '#82a1ca',
    500: '#457cb4',
    950: '#000000',
  },
}

SCSS

$custom: #457cb4;
$custom-light: #82a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#457cb4",
  "rgb": {
    "r": 69,
    "g": 124,
    "b": 180
  },
  "hsl": {
    "h": 210.27,
    "s": 44.578,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57365,
    "c": 0.10485,
    "h": 250.5
  },
  "luminance": 0.18976
}

Semantic roles & 50–950 ramp

primary

#457CB4

secondary

#C5AB90

accent

#9454D4

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #457CB4

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

Preview Lab → · Contrast checker → · Palette generator →