#457BBF#457BBF

#457BBF is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.120 H 255.1°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX#457BBF
RGBrgb(69, 123, 191)
HSLhsl(213, 49%, 51%)
HSVhsv(213, 64%, 75%)
CMYKcmyk(63.9%, 35.6%, 0%, 25.1%)
CIE-LABlab(50.91, 3.63, -40.96)
CIE-LCHlch(50.91, 41.12, 275.06°)
OKLaboklab(57.74% -0.0309 -0.1161)
OKLCHoklch(57.74% 0.12 255.1)
XYZxyz(18.9378, 19.1909, 51.9863)
Luminance0.1919 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#457BBF #BF8945
analogous
#45B8BF #457BBF #4C45BF
triadic
#457BBF #BF457B #7BBF45
tetradic
#457BBF #BF45B8 #BF8945 #45BF4C
square
#457BBF #BF45B8 #BF8945 #45BF4C
split-complementary
#457BBF #BF4C45 #B8BF45
monochromatic
#234166 #335E94 #457BBF #739BCF #A0BCDE

Accessibility & contrast

On white

4.34
#457BBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.84
#457BBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BBF
4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##457BBF#FFFFFF#000000##000000
##457BBF1.004.344.844.84
#FFFFFF4.341.0021.0021.00
#0000004.8421.001.001.00
##0000004.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E80C2
Deuteranopia (green-blind)
#4D74BE
Tritanopia (blue-blind)
#008B94
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #457bbf;
/* rgb */ color: rgb(69, 123, 191);
/* oklch */ color: oklch(57.7% 0.120 255.1);
Tailwind
colors: {
  custom: {
    50: '#84a0d2',
    500: '#457bbf',
    950: '#000000',
  },
}
SCSS
$custom: #457bbf;
$custom-light: #84a0d2;
$custom-dark: #000000;
JSON
{
  "hex": "#457bbf",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 191
  },
  "hsl": {
    "h": 213.443,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57741,
    "c": 0.12016,
    "h": 255.1
  },
  "luminance": 0.19193
}

Semantic roles & 50–950 ramp

primary
#457BBF
secondary
#CBB395
accent
#9C4FD8
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82

Preview Lab

Preview with #457BBF

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

Preview Lab → · Contrast checker → · Palette generator →

#457BBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva