#2B397C#2B397C

#2B397C is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.2% C 0.115 H 271.0°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#2B397C
RGB	rgb(43, 57, 124)
HSL	hsl(230, 49%, 33%)
HSV	hsv(230, 65%, 49%)
CMYK	cmyk(65.3%, 54%, 0%, 51.4%)
CIE-LAB	lab(26.43, 17.25, -39.94)
CIE-LCH	lch(26.43, 43.50, 293.36°)
OKLab	oklab(37.23% 0.0019 -0.1145)
OKLCH	oklch(37.23% 0.115 271)
XYZ	xyz(6.0963, 4.8946, 19.6884)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B397C #7C6E2B

analogous

#2B617C #2B397C #462B7C

triadic

#2B397C #7C2B39 #397C2B

tetradic

#2B397C #7C2B61 #7C6E2B #2B7C46

square

#2B397C #7C2B61 #7C6E2B #2B7C46

split-complementary

#2B397C #7C462B #617C2B

monochromatic

#0B0F21 #1B244F #2B397C #3B4EA9 #5B6EC6

Accessibility & contrast

On white

10.61

#2B397C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2B397C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B397C

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B397C	#FFFFFF	#000000	##FFFFFF
##2B397C	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11427E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b397c;
/* rgb */ color: rgb(43, 57, 124);
/* oklch */ color: oklch(37.2% 0.115 271.0);

Tailwind

colors: {
  custom: {
    50: '#6d6fa2',
    500: '#2b397c',
    950: '#000000',
  },
}

SCSS

$custom: #2b397c;
$custom-light: #6d6fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b397c",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 124
  },
  "hsl": {
    "h": 229.63,
    "s": 48.503,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3723,
    "c": 0.11454,
    "h": 271
  },
  "luminance": 0.04895
}

Semantic roles & 50–950 ramp

primary

#2B397C

secondary

#AC9D57

accent

#C150D8

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2B397C

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

Preview Lab → · Contrast checker → · Palette generator →