#457BB7#457BB7

#457BB7 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.3% C 0.110 H 252.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#457BB7
RGB	rgb(69, 123, 183)
HSL	hsl(212, 45%, 49%)
HSV	hsv(212, 62%, 72%)
CMYK	cmyk(62.3%, 32.8%, 0%, 28.2%)
CIE-LAB	lab(50.51, 0.89, -36.99)
CIE-LCH	lch(50.51, 37.00, 271.37°)
OKLab	oklab(57.3% -0.033 -0.1046)
OKLCH	oklch(57.3% 0.11 252.5)
XYZ	xyz(18.0813, 18.8483, 47.4758)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BB7 #B78145

analogous

#45B4B7 #457BB7 #4845B7

triadic

#457BB7 #B7457B #7BB745

tetradic

#457BB7 #B745B4 #B78145 #45B748

square

#457BB7 #B745B4 #B78145 #45B748

split-complementary

#457BB7 #B74845 #B4B745

monochromatic

#233F5E #345D8B #457BB7 #709AC9 #9DBADA

Accessibility & contrast

On white

4.40

#457BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#457BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BB7

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BB7	#FFFFFF	#000000	##000000
##457BB7	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617EBA

Deuteranopia (green-blind)

#5273B6

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #457bb7;
/* rgb */ color: rgb(69, 123, 183);
/* oklch */ color: oklch(57.3% 0.110 252.5);

Tailwind

colors: {
  custom: {
    50: '#83a0cd',
    500: '#457bb7',
    950: '#000000',
  },
}

SCSS

$custom: #457bb7;
$custom-light: #83a0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#457bb7",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 183
  },
  "hsl": {
    "h": 211.579,
    "s": 45.238,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57297,
    "c": 0.10966,
    "h": 252.5
  },
  "luminance": 0.1885
}

Semantic roles & 50–950 ramp

primary

#457BB7

secondary

#C6AD92

accent

#9753D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #457BB7

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

Preview Lab → · Contrast checker → · Palette generator →