#2A3D88#2A3D88

#2A3D88 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.127 H 269.0°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2A3D88
RGB	rgb(42, 61, 136)
HSL	hsl(228, 53%, 35%)
HSV	hsv(228, 69%, 53%)
CMYK	cmyk(69.1%, 55.1%, 0%, 46.7%)
CIE-LAB	lab(28.40, 18.87, -44.26)
CIE-LCH	lch(28.40, 48.12, 293.09°)
OKLab	oklab(38.98% -0.0021 -0.1272)
OKLCH	oklch(38.98% 0.127 269)
XYZ	xyz(7.0660, 5.6066, 23.9976)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3D88 #88752A

analogous

#2A6C88 #2A3D88 #462A88

triadic

#2A3D88 #882A3D #3D882A

tetradic

#2A3D88 #882A6C #88752A #2A8846

square

#2A3D88 #882A6C #88752A #2A8846

split-complementary

#2A3D88 #88462A #6C882A

monochromatic

#0D132A #1C2859 #2A3D88 #3852B7 #5F75CE

Accessibility & contrast

On white

9.90

#2A3D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2A3D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3D88

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3D88	#FFFFFF	#000000	##FFFFFF
##2A3D88	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07478B

Deuteranopia (green-blind)

#003F86

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a3d88;
/* rgb */ color: rgb(42, 61, 136);
/* oklch */ color: oklch(39.0% 0.127 269.0);

Tailwind

colors: {
  custom: {
    50: '#6f72ab',
    500: '#2a3d88',
    950: '#000000',
  },
}

SCSS

$custom: #2a3d88;
$custom-light: #6f72ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3d88",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 136
  },
  "hsl": {
    "h": 227.872,
    "s": 52.809,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38979,
    "c": 0.12724,
    "h": 269
  },
  "luminance": 0.05607
}

Semantic roles & 50–950 ramp

primary

#2A3D88

secondary

#B3A15B

accent

#BF4CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3D88

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

Preview Lab → · Contrast checker → · Palette generator →