#2A377A#2A377A

#2A377A is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.6% C 0.115 H 271.4°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#2A377A
RGB	rgb(42, 55, 122)
HSL	hsl(230, 49%, 32%)
HSV	hsv(230, 66%, 48%)
CMYK	cmyk(65.6%, 54.9%, 0%, 52.2%)
CIE-LAB	lab(25.65, 17.69, -39.94)
CIE-LCH	lch(25.65, 43.68, 293.89°)
OKLab	oklab(36.58% 0.0027 -0.1146)
OKLCH	oklch(36.58% 0.115 271.4)
XYZ	xyz(5.8327, 4.6293, 18.9947)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A377A #7A6D2A

analogous

#2A5F7A #2A377A #452A7A

triadic

#2A377A #7A2A37 #377A2A

tetradic

#2A377A #7A2A5F #7A6D2A #2A7A45

square

#2A377A #7A2A5F #7A6D2A #2A7A45

split-complementary

#2A377A #7A452A #5F7A2A

monochromatic

#0B0E1F #1A224C #2A377A #3A4CA8 #596AC6

Accessibility & contrast

On white

10.90

#2A377A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2A377A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A377A

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A377A	#FFFFFF	#000000	##FFFFFF
##2A377A	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D407C

Deuteranopia (green-blind)

#003979

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a377a;
/* rgb */ color: rgb(42, 55, 122);
/* oklch */ color: oklch(36.6% 0.115 271.4);

Tailwind

colors: {
  custom: {
    50: '#6d6da1',
    500: '#2a377a',
    950: '#000000',
  },
}

SCSS

$custom: #2a377a;
$custom-light: #6d6da1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a377a",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 122
  },
  "hsl": {
    "h": 230.25,
    "s": 48.78,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36578,
    "c": 0.11461,
    "h": 271.4
  },
  "luminance": 0.0463
}

Semantic roles & 50–950 ramp

primary

#2A377A

secondary

#AB9D55

accent

#C24FD8

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A377A

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

Preview Lab → · Contrast checker → · Palette generator →