#2B387E#2B387E

#2B387E is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.2% C 0.119 H 271.5°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B387E
RGB	rgb(43, 56, 126)
HSL	hsl(231, 49%, 33%)
HSV	hsv(231, 66%, 49%)
CMYK	cmyk(65.9%, 55.6%, 0%, 50.6%)
CIE-LAB	lab(26.30, 18.69, -41.41)
CIE-LCH	lch(26.30, 45.44, 294.29°)
OKLab	oklab(37.18% 0.0031 -0.1189)
OKLCH	oklch(37.18% 0.119 271.5)
XYZ	xyz(6.1751, 4.8478, 20.3449)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B387E #7E712B

analogous

#2B617E #2B387E #472B7E

triadic

#2B387E #7E2B38 #387E2B

tetradic

#2B387E #7E2B61 #7E712B #2B7E47

square

#2B387E #7E2B61 #7E712B #2B7E47

split-complementary

#2B387E #7E472B #617E2B

monochromatic

#0C0F23 #1B2450 #2B387E #3B4CAC #5C6DC7

Accessibility & contrast

On white

10.66

#2B387E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2B387E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B387E

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B387E	#FFFFFF	#000000	##FFFFFF
##2B387E	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084280

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b387e;
/* rgb */ color: rgb(43, 56, 126);
/* oklch */ color: oklch(37.2% 0.119 271.5);

Tailwind

colors: {
  custom: {
    50: '#6e6ea4',
    500: '#2b387e',
    950: '#000000',
  },
}

SCSS

$custom: #2b387e;
$custom-light: #6e6ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b387e",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 126
  },
  "hsl": {
    "h": 230.602,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37175,
    "c": 0.11893,
    "h": 271.5
  },
  "luminance": 0.04848
}

Semantic roles & 50–950 ramp

primary

#2B387E

secondary

#ADA058

accent

#C34FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2B387E

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

Preview Lab → · Contrast checker → · Palette generator →