#2A398A#2A398A

#2A398A is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.135 H 270.7°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#2A398A
RGB	rgb(42, 57, 138)
HSL	hsl(231, 53%, 35%)
HSV	hsv(231, 70%, 54%)
CMYK	cmyk(69.6%, 58.7%, 0%, 45.9%)
CIE-LAB	lab(27.44, 22.37, -47.05)
CIE-LCH	lch(27.44, 52.10, 295.43°)
OKLab	oklab(38.31% 0.0016 -0.1355)
OKLCH	oklch(38.31% 0.135 270.7)
XYZ	xyz(7.0039, 5.2528, 24.6846)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A398A #8A7B2A

analogous

#2A698A #2A398A #4B2A8A

triadic

#2A398A #8A2A39 #398A2A

tetradic

#2A398A #8A2A69 #8A7B2A #2A8A4B

square

#2A398A #8A2A69 #8A7B2A #2A8A4B

split-complementary

#2A398A #8A4B2A #698A2A

monochromatic

#0D122C #1C265B #2A398A #384CB9 #6071CF

Accessibility & contrast

On white

10.24

#2A398A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2A398A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A398A

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A398A	#FFFFFF	#000000	##FFFFFF
##2A398A	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458D

Deuteranopia (green-blind)

#003D88

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a398a;
/* rgb */ color: rgb(42, 57, 138);
/* oklch */ color: oklch(38.3% 0.135 270.7);

Tailwind

colors: {
  custom: {
    50: '#706fad',
    500: '#2a398a',
    950: '#000000',
  },
}

SCSS

$custom: #2a398a;
$custom-light: #706fad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a398a",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 138
  },
  "hsl": {
    "h": 230.625,
    "s": 53.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.38312,
    "c": 0.13548,
    "h": 270.7
  },
  "luminance": 0.05253
}

Semantic roles & 50–950 ramp

primary

#2A398A

secondary

#B4A65B

accent

#C64BDD

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A398A

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

Preview Lab → · Contrast checker → · Palette generator →