#2A377B#2A377B

#2A377B is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.7% C 0.116 H 271.4°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#2A377B
RGB	rgb(42, 55, 123)
HSL	hsl(230, 49%, 32%)
HSV	hsv(230, 66%, 48%)
CMYK	cmyk(65.9%, 55.3%, 0%, 51.8%)
CIE-LAB	lab(25.73, 18.06, -40.45)
CIE-LCH	lch(25.73, 44.30, 294.07°)
OKLab	oklab(36.66% 0.0028 -0.1161)
OKLCH	oklch(36.66% 0.116 271.4)
XYZ	xyz(5.8950, 4.6542, 19.3227)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A377B #7B6E2A

analogous

#2A607B #2A377B #452A7B

triadic

#2A377B #7B2A37 #377B2A

tetradic

#2A377B #7B2A60 #7B6E2A #2A7B45

square

#2A377B #7B2A60 #7B6E2A #2A7B45

split-complementary

#2A377B #7B452A #607B2A

monochromatic

#0B0E20 #1A234D #2A377B #3A4BA9 #596BC6

Accessibility & contrast

On white

10.88

#2A377B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2A377B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A377B

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A377B	#FFFFFF	#000000	##FFFFFF
##2A377B	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)

#0A417D

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a377b;
/* rgb */ color: rgb(42, 55, 123);
/* oklch */ color: oklch(36.7% 0.116 271.4);

Tailwind

colors: {
  custom: {
    50: '#6d6da2',
    500: '#2a377b',
    950: '#000000',
  },
}

SCSS

$custom: #2a377b;
$custom-light: #6d6da2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a377b",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 123
  },
  "hsl": {
    "h": 230.37,
    "s": 49.091,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36657,
    "c": 0.11612,
    "h": 271.4
  },
  "luminance": 0.04655
}

Semantic roles & 50–950 ramp

primary

#2A377B

secondary

#AC9E55

accent

#C34FD9

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A377B

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

Preview Lab → · Contrast checker → · Palette generator →