#2457AD#2457AD

#2457AD is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.2% C 0.148 H 260.2°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#2457AD
RGBrgb(36, 87, 173)
HSLhsl(218, 66%, 41%)
HSVhsv(218, 79%, 68%)
CMYKcmyk(79.2%, 49.7%, 0%, 32.2%)
CIE-LABlab(38.21, 14.88, -50.82)
CIE-LCHlch(38.21, 52.95, 286.32°)
OKLaboklab(47.22% -0.0251 -0.1461)
OKLCHoklch(47.22% 0.148 260.2)
XYZxyz(11.6758, 10.2072, 40.8819)
Luminance0.1021 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2457AD #AD7A24
analogous
#249BAD #2457AD #3524AD
triadic
#2457AD #AD2457 #57AD24
tetradic
#2457AD #AD249B #AD7A24 #24AD35
square
#2457AD #AD249B #AD7A24 #24AD35
split-complementary
#2457AD #AD3524 #9BAD24
monochromatic
#0F2448 #193E7A #2457AD #3973D6 #6B97E0

Accessibility & contrast

On white

6.90
#2457AD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#2457AD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2457AD
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2457AD#FFFFFF#000000##FFFFFF
##2457AD1.006.903.046.90
#FFFFFF6.901.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2461B0
Deuteranopia (green-blind)
#0054AB
Tritanopia (blue-blind)
#006C7A
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #2457ad;
/* rgb */ color: rgb(36, 87, 173);
/* oklch */ color: oklch(47.2% 0.148 260.2);
Tailwind
colors: {
  custom: {
    50: '#7485c6',
    500: '#2457ad',
    950: '#000000',
  },
}
SCSS
$custom: #2457ad;
$custom-light: #7485c6;
$custom-dark: #000000;
JSON
{
  "hex": "#2457ad",
  "rgb": {
    "r": 36,
    "g": 87,
    "b": 173
  },
  "hsl": {
    "h": 217.664,
    "s": 65.55,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47218,
    "c": 0.14829,
    "h": 260.2
  },
  "luminance": 0.10209
}

Semantic roles & 50–950 ramp

primary
#2457AD
secondary
#C6A366
accent
#AA3FE9
background
#F7F8FC
surface
#EEEFF8
border
#C9CAD1
text
#0A0B13
muted
#7C7C82

Preview Lab

Preview with #2457AD

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

Preview Lab → · Contrast checker → · Palette generator →

#2457AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva