#2B377A#2B377A

#2B377A is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.6% C 0.114 H 271.9°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B377A
RGB	rgb(43, 55, 122)
HSL	hsl(231, 48%, 32%)
HSV	hsv(231, 65%, 48%)
CMYK	cmyk(64.8%, 54.9%, 0%, 52.2%)
CIE-LAB	lab(25.72, 17.88, -39.83)
CIE-LCH	lch(25.72, 43.66, 294.17°)
OKLab	oklab(36.64% 0.0039 -0.1142)
OKLCH	oklch(36.64% 0.114 271.9)
XYZ	xyz(5.8741, 4.6506, 18.9967)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B377A #7A6E2B

analogous

#2B5F7A #2B377A #462B7A

triadic

#2B377A #7A2B37 #377A2B

tetradic

#2B377A #7A2B5F #7A6E2B #2B7A46

square

#2B377A #7A2B5F #7A6E2B #2B7A46

split-complementary

#2B377A #7A462B #5F7A2B

monochromatic

#0B0E1F #1B234D #2B377A #3B4BA7 #5A6BC5

Accessibility & contrast

On white

10.88

#2B377A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2B377A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B377A

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B377A	#FFFFFF	#000000	##FFFFFF
##2B377A	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D417C

Deuteranopia (green-blind)

#003A79

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b377a;
/* rgb */ color: rgb(43, 55, 122);
/* oklch */ color: oklch(36.6% 0.114 271.9);

Tailwind

colors: {
  custom: {
    50: '#6d6da1',
    500: '#2b377a',
    950: '#000000',
  },
}

SCSS

$custom: #2b377a;
$custom-light: #6d6da1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b377a",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 122
  },
  "hsl": {
    "h": 230.886,
    "s": 47.879,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36643,
    "c": 0.11432,
    "h": 271.9
  },
  "luminance": 0.04651
}

Semantic roles & 50–950 ramp

primary

#2B377A

secondary

#AB9E56

accent

#C350D7

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2B377A

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

Preview Lab → · Contrast checker → · Palette generator →