#2A357F#2A357F

#2A357F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.125 H 272.3°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#2A357F
RGB	rgb(42, 53, 127)
HSL	hsl(232, 50%, 33%)
HSV	hsv(232, 67%, 50%)
CMYK	cmyk(66.9%, 58.3%, 0%, 50.2%)
CIE-LAB	lab(25.47, 20.95, -43.38)
CIE-LCH	lch(25.47, 48.17, 295.78°)
OKLab	oklab(36.57% 0.005 -0.1247)
OKLCH	oklch(36.57% 0.125 272.3)
XYZ	xyz(6.0574, 4.5702, 20.6375)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A357F #7F742A

analogous

#2A5F7F #2A357F #492A7F

triadic

#2A357F #7F2A35 #357F2A

tetradic

#2A357F #7F2A5F #7F742A #2A7F49

square

#2A357F #7F2A5F #7F742A #2A7F49

split-complementary

#2A357F #7F492A #5F7F2A

monochromatic

#0C0F23 #1B2251 #2A357F #3948AD #5B69C9

Accessibility & contrast

On white

10.97

#2A357F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2A357F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A357F

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A357F	#FFFFFF	#000000	##FFFFFF
##2A357F	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004082

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a357f;
/* rgb */ color: rgb(42, 53, 127);
/* oklch */ color: oklch(36.6% 0.125 272.3);

Tailwind

colors: {
  custom: {
    50: '#6e6ca5',
    500: '#2a357f',
    950: '#000000',
  },
}

SCSS

$custom: #2a357f;
$custom-light: #6e6ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a357f",
  "rgb": {
    "r": 42,
    "g": 53,
    "b": 127
  },
  "hsl": {
    "h": 232.235,
    "s": 50.296,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36566,
    "c": 0.12483,
    "h": 272.3
  },
  "luminance": 0.04571
}

Semantic roles & 50–950 ramp

primary

#2A357F

secondary

#AEA357

accent

#C84EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A357F

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

Preview Lab → · Contrast checker → · Palette generator →