#2457A6#2457A6

#2457A6 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.7% C 0.139 H 259.1°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#2457A6
RGB	rgb(36, 87, 166)
HSL	hsl(216, 64%, 40%)
HSV	hsv(216, 78%, 65%)
CMYK	cmyk(78.3%, 47.6%, 0%, 34.9%)
CIE-LAB	lab(37.74, 12.14, -47.42)
CIE-LCH	lch(37.74, 48.95, 284.36°)
OKLab	oklab(46.71% -0.0262 -0.1361)
OKLCH	oklch(46.71% 0.139 259.1)
XYZ	xyz(11.0162, 9.9434, 37.4077)
Luminance	0.0994 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2457A6 #A67324

analogous

#2498A6 #2457A6 #3224A6

triadic

#2457A6 #A62457 #57A624

tetradic

#2457A6 #A62498 #A67324 #24A632

square

#2457A6 #A62498 #A67324 #24A632

split-complementary

#2457A6 #A63224 #98A624

monochromatic

#0E2241 #193D74 #2457A6 #3472D3 #6695DE

Accessibility & contrast

On white

7.03

#2457A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2457A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2457A6

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2457A6	#FFFFFF	#000000	##FFFFFF
##2457A6	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5FA9

Deuteranopia (green-blind)

#0553A4

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2457a6;
/* rgb */ color: rgb(36, 87, 166);
/* oklch */ color: oklch(46.7% 0.139 259.1);

Tailwind

colors: {
  custom: {
    50: '#7385c1',
    500: '#2457a6',
    950: '#000000',
  },
}

SCSS

$custom: #2457a6;
$custom-light: #7385c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2457a6",
  "rgb": {
    "r": 36,
    "g": 87,
    "b": 166
  },
  "hsl": {
    "h": 216.462,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.46705,
    "c": 0.13865,
    "h": 259.1
  },
  "luminance": 0.09945
}

Semantic roles & 50–950 ramp

primary

#2457A6

secondary

#C49D62

accent

#A640E7

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2457A6

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

Preview Lab → · Contrast checker → · Palette generator →