#2457BD#2457BD

#2457BD is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.4% C 0.170 H 262.2°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#2457BD
RGB	rgb(36, 87, 189)
HSL	hsl(220, 68%, 44%)
HSV	hsv(220, 81%, 74%)
CMYK	cmyk(81%, 54%, 0%, 25.9%)
CIE-LAB	lab(39.35, 21.12, -58.38)
CIE-LCH	lch(39.35, 62.08, 289.89°)
OKLab	oklab(48.45% -0.0232 -0.1684)
OKLCH	oklch(48.45% 0.17 262.2)
XYZ	xyz(13.3177, 10.8640, 49.5293)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2457BD #BD8A24

analogous

#24A4BD #2457BD #3E24BD

triadic

#2457BD #BD2457 #57BD24

tetradic

#2457BD #BD24A4 #BD8A24 #24BD3E

square

#2457BD #BD24A4 #BD8A24 #24BD3E

split-complementary

#2457BD #BD3E24 #A4BD24

monochromatic

#102856 #1A3F8A #2457BD #4376DB #769BE5

Accessibility & contrast

On white

6.62

#2457BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#2457BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2457BD

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2457BD	#FFFFFF	#000000	##FFFFFF
##2457BD	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C1

Deuteranopia (green-blind)

#0056BB

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2457bd;
/* rgb */ color: rgb(36, 87, 189);
/* oklch */ color: oklch(48.4% 0.170 262.2);

Tailwind

colors: {
  custom: {
    50: '#7885d2',
    500: '#2457bd',
    950: '#000000',
  },
}

SCSS

$custom: #2457bd;
$custom-light: #7885d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2457bd",
  "rgb": {
    "r": 36,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 220,
    "s": 68,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48448,
    "c": 0.17,
    "h": 262.2
  },
  "luminance": 0.10866
}

Semantic roles & 50–950 ramp

primary

#2457BD

secondary

#CCAE70

accent

#B13DEB

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2457BD

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

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