#2B397E#2B397E

#2B397E is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.4% C 0.118 H 271.0°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#2B397E
RGB	rgb(43, 57, 126)
HSL	hsl(230, 49%, 33%)
HSV	hsv(230, 66%, 49%)
CMYK	cmyk(65.9%, 54.8%, 0%, 50.6%)
CIE-LAB	lab(26.58, 18.00, -40.96)
CIE-LCH	lch(26.58, 44.74, 293.73°)
OKLab	oklab(37.39% 0.0021 -0.1175)
OKLCH	oklch(37.39% 0.118 271)
XYZ	xyz(6.2240, 4.9457, 20.3612)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B397E #7E702B

analogous

#2B627E #2B397E #472B7E

triadic

#2B397E #7E2B39 #397E2B

tetradic

#2B397E #7E2B62 #7E702B #2B7E47

square

#2B397E #7E2B62 #7E702B #2B7E47

split-complementary

#2B397E #7E472B #627E2B

monochromatic

#0C1023 #1B2450 #2B397E #3B4EAC #5C6EC7

Accessibility & contrast

On white

10.56

#2B397E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2B397E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B397E

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B397E	#FFFFFF	#000000	##FFFFFF
##2B397E	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4380

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b397e;
/* rgb */ color: rgb(43, 57, 126);
/* oklch */ color: oklch(37.4% 0.118 271.0);

Tailwind

colors: {
  custom: {
    50: '#6e6fa4',
    500: '#2b397e',
    950: '#000000',
  },
}

SCSS

$custom: #2b397e;
$custom-light: #6e6fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b397e",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 126
  },
  "hsl": {
    "h": 229.88,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37388,
    "c": 0.11755,
    "h": 271
  },
  "luminance": 0.04946
}

Semantic roles & 50–950 ramp

primary

#2B397E

secondary

#AD9F58

accent

#C14FD9

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2B397E

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

Preview Lab → · Contrast checker → · Palette generator →