#2457AF#2457AF

#2457AF is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.4% C 0.151 H 260.5°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#2457AF
RGB	rgb(36, 87, 175)
HSL	hsl(218, 66%, 41%)
HSV	hsv(218, 79%, 69%)
CMYK	cmyk(79.4%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.35, 15.66, -51.78)
CIE-LCH	lch(38.35, 54.09, 286.83°)
OKLab	oklab(47.37% -0.0248 -0.149)
OKLCH	oklch(47.37% 0.151 260.5)
XYZ	xyz(11.8708, 10.2852, 41.9087)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2457AF #AF7C24

analogous

#249DAF #2457AF #3724AF

triadic

#2457AF #AF2457 #57AF24

tetradic

#2457AF #AF249D #AF7C24 #24AF37

square

#2457AF #AF249D #AF7C24 #24AF37

split-complementary

#2457AF #AF3724 #9DAF24

monochromatic

#0F2549 #1A3E7C #2457AF #3A73D6 #6D97E1

Accessibility & contrast

On white

6.87

#2457AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#2457AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2457AF

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2457AF	#FFFFFF	#000000	##FFFFFF
##2457AF	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2161B2

Deuteranopia (green-blind)

#0054AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2457af;
/* rgb */ color: rgb(36, 87, 175);
/* oklch */ color: oklch(47.4% 0.151 260.5);

Tailwind

colors: {
  custom: {
    50: '#7585c7',
    500: '#2457af',
    950: '#000000',
  },
}

SCSS

$custom: #2457af;
$custom-light: #7585c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2457af",
  "rgb": {
    "r": 36,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 217.986,
    "s": 65.877,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47367,
    "c": 0.15103,
    "h": 260.5
  },
  "luminance": 0.10287
}

Semantic roles & 50–950 ramp

primary

#2457AF

secondary

#C7A468

accent

#AB3FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2457AF

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

Preview Lab → · Contrast checker → · Palette generator →