#2B3DA5#2B3DA5

#2B3DA5 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.168 H 269.8°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#2B3DA5
RGB	rgb(43, 61, 165)
HSL	hsl(231, 59%, 41%)
HSV	hsv(231, 74%, 65%)
CMYK	cmyk(73.9%, 63%, 0%, 35.3%)
CIE-LAB	lab(30.80, 29.95, -58.07)
CIE-LCH	lch(30.80, 65.33, 297.28°)
OKLab	oklab(41.52% -0.0006 -0.1677)
OKLCH	oklch(41.52% 0.168 269.8)
XYZ	xyz(9.4542, 6.5667, 36.3593)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3DA5 #A5932B

analogous

#2B7AA5 #2B3DA5 #562BA5

triadic

#2B3DA5 #A52B3D #3DA52B

tetradic

#2B3DA5 #A52B7A #A5932B #2BA556

square

#2B3DA5 #A52B7A #A5932B #2BA556

split-complementary

#2B3DA5 #A5562B #7AA52B

monochromatic

#121944 #1E2B74 #2B3DA5 #4055CD #7180DA

Accessibility & contrast

On white

9.08

#2B3DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2B3DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3DA5

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3DA5	#FFFFFF	#000000	##FFFFFF
##2B3DA5	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA8

Deuteranopia (green-blind)

#0043A3

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b3da5;
/* rgb */ color: rgb(43, 61, 165);
/* oklch */ color: oklch(41.5% 0.168 269.8);

Tailwind

colors: {
  custom: {
    50: '#7672c1',
    500: '#2b3da5',
    950: '#000000',
  },
}

SCSS

$custom: #2b3da5;
$custom-light: #7672c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3da5",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 165
  },
  "hsl": {
    "h": 231.148,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.4152,
    "c": 0.16775,
    "h": 269.8
  },
  "luminance": 0.06568
}

Semantic roles & 50–950 ramp

primary

#2B3DA5

secondary

#C1B46B

accent

#CB46E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B3DA5

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

Preview Lab → · Contrast checker → · Palette generator →