#2A38A3#2A38A3

#2A38A3 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.171 H 270.6°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#2A38A3
RGB	rgb(42, 56, 163)
HSL	hsl(233, 59%, 40%)
HSV	hsv(233, 74%, 64%)
CMYK	cmyk(74.2%, 65.6%, 0%, 36.1%)
CIE-LAB	lab(29.32, 32.36, -59.28)
CIE-LCH	lch(29.32, 67.54, 298.63°)
OKLab	oklab(40.37% 0.0019 -0.1714)
OKLCH	oklch(40.37% 0.171 270.6)
XYZ	xyz(8.9776, 5.9640, 35.3213)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A38A3 #A3952A

analogous

#2A74A3 #2A38A3 #592AA3

triadic

#2A38A3 #A32A38 #38A32A

tetradic

#2A38A3 #A32A74 #A3952A #2AA359

square

#2A38A3 #A32A74 #A3952A #2AA359

split-complementary

#2A38A3 #A3592A #74A32A

monochromatic

#111742 #1D2772 #2A38A3 #3D4ECD #6E7ADA

Accessibility & contrast

On white

9.58

#2A38A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2A38A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A38A3

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A38A3	#FFFFFF	#000000	##FFFFFF
##2A38A3	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA6

Deuteranopia (green-blind)

#003FA1

Tritanopia (blue-blind)

#005468

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a38a3;
/* rgb */ color: rgb(42, 56, 163);
/* oklch */ color: oklch(40.4% 0.171 270.6);

Tailwind

colors: {
  custom: {
    50: '#766ebf',
    500: '#2a38a3',
    950: '#000000',
  },
}

SCSS

$custom: #2a38a3;
$custom-light: #766ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a38a3",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 163
  },
  "hsl": {
    "h": 233.058,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40365,
    "c": 0.17139,
    "h": 270.6
  },
  "luminance": 0.05965
}

Semantic roles & 50–950 ramp

primary

#2A38A3

secondary

#C0B668

accent

#D046E2

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A38A3

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

Preview Lab → · Contrast checker → · Palette generator →