#2457AA#2457AA

#2457AA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.144 H 259.8°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#2457AA
RGB	rgb(36, 87, 170)
HSL	hsl(217, 65%, 40%)
HSV	hsv(217, 79%, 67%)
CMYK	cmyk(78.8%, 48.8%, 0%, 33.3%)
CIE-LAB	lab(38.01, 13.71, -49.37)
CIE-LCH	lch(38.01, 51.23, 285.52°)
OKLab	oklab(47% -0.0256 -0.1419)
OKLCH	oklch(47% 0.144 259.8)
XYZ	xyz(11.3888, 10.0924, 39.3702)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2457AA #AA7724

analogous

#249AAA #2457AA #3424AA

triadic

#2457AA #AA2457 #57AA24

tetradic

#2457AA #AA249A #AA7724 #24AA34

square

#2457AA #AA249A #AA7724 #24AA34

split-complementary

#2457AA #AA3424 #9AAA24

monochromatic

#0F2345 #193D77 #2457AA #3773D5 #6996DF

Accessibility & contrast

On white

6.96

#2457AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2457AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2457AA

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2457AA	#FFFFFF	#000000	##FFFFFF
##2457AA	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2760AD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2457aa;
/* rgb */ color: rgb(36, 87, 170);
/* oklch */ color: oklch(47.0% 0.144 259.8);

Tailwind

colors: {
  custom: {
    50: '#7485c4',
    500: '#2457aa',
    950: '#000000',
  },
}

SCSS

$custom: #2457aa;
$custom-light: #7485c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2457aa",
  "rgb": {
    "r": 36,
    "g": 87,
    "b": 170
  },
  "hsl": {
    "h": 217.164,
    "s": 65.049,
    "l": 40.392
  },
  "oklch": {
    "l": 0.46996,
    "c": 0.14418,
    "h": 259.8
  },
  "luminance": 0.10094
}

Semantic roles & 50–950 ramp

primary

#2457AA

secondary

#C5A065

accent

#A840E8

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #2457AA

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

Preview Lab → · Contrast checker → · Palette generator →