#2E57A9#2E57A9

#2E57A9 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.3% C 0.140 H 262.4°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#2E57A9
RGB	rgb(46, 87, 169)
HSL	hsl(220, 57%, 42%)
HSV	hsv(220, 73%, 66%)
CMYK	cmyk(72.8%, 48.5%, 0%, 33.7%)
CIE-LAB	lab(38.31, 14.60, -48.27)
CIE-LCH	lch(38.31, 50.43, 286.83°)
OKLab	oklab(47.31% -0.0185 -0.1385)
OKLCH	oklch(47.31% 0.14 262.4)
XYZ	xyz(11.6938, 10.2606, 38.8926)
Luminance	0.1026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E57A9 #A9802E

analogous

#2E95A9 #2E57A9 #432EA9

triadic

#2E57A9 #A92E57 #57A92E

tetradic

#2E57A9 #A92E95 #A9802E #2EA943

square

#2E57A9 #A92E95 #A9802E #2EA943

split-complementary

#2E57A9 #A9432E #95A92E

monochromatic

#142549 #213E79 #2E57A9 #4774CD #7798DA

Accessibility & contrast

On white

6.88

#2E57A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#2E57A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E57A9

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E57A9	#FFFFFF	#000000	##FFFFFF
##2E57A9	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A60AC

Deuteranopia (green-blind)

#0555A7

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2e57a9;
/* rgb */ color: rgb(46, 87, 169);
/* oklch */ color: oklch(47.3% 0.140 262.4);

Tailwind

colors: {
  custom: {
    50: '#7785c3',
    500: '#2e57a9',
    950: '#000000',
  },
}

SCSS

$custom: #2e57a9;
$custom-light: #7785c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2e57a9",
  "rgb": {
    "r": 46,
    "g": 87,
    "b": 169
  },
  "hsl": {
    "h": 220,
    "s": 57.209,
    "l": 42.157
  },
  "oklch": {
    "l": 0.47306,
    "c": 0.13974,
    "h": 262.4
  },
  "luminance": 0.10262
}

Semantic roles & 50–950 ramp

primary

#2E57A9

secondary

#C2A771

accent

#AD47E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #2E57A9

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

Preview Lab → · Contrast checker → · Palette generator →