#2B4D7E#2B4D7E

#2B4D7E is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.0% C 0.091 H 257.6°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D7E
RGB	rgb(43, 77, 126)
HSL	hsl(215, 49%, 33%)
HSV	hsv(215, 66%, 49%)
CMYK	cmyk(65.9%, 38.9%, 0%, 50.6%)
CIE-LAB	lab(32.54, 4.42, -31.42)
CIE-LCH	lch(32.54, 31.73, 278.01°)
OKLab	oklab(41.96% -0.0196 -0.0892)
OKLCH	oklch(41.96% 0.091 257.6)
XYZ	xyz(7.4147, 7.3270, 20.7581)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D7E #7E5C2B

analogous

#2B767E #2B4D7E #332B7E

triadic

#2B4D7E #7E2B4D #4D7E2B

tetradic

#2B4D7E #7E2B76 #7E5C2B #2B7E33

square

#2B4D7E #7E2B76 #7E5C2B #2B7E33

split-complementary

#2B4D7E #7E332B #767E2B

monochromatic

#0C1523 #1B3150 #2B4D7E #3B69AC #5C88C7

Accessibility & contrast

On white

8.52

#2B4D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2B4D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D7E

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D7E	#FFFFFF	#000000	##FFFFFF
##2B4D7E	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385180

Deuteranopia (green-blind)

#2C497D

Tritanopia (blue-blind)

#00585F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4d7e;
/* rgb */ color: rgb(43, 77, 126);
/* oklch */ color: oklch(42.0% 0.091 257.6);

Tailwind

colors: {
  custom: {
    50: '#6d7ea3',
    500: '#2b4d7e',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d7e;
$custom-light: #6d7ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d7e",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 126
  },
  "hsl": {
    "h": 215.422,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.41958,
    "c": 0.09135,
    "h": 257.6
  },
  "luminance": 0.07328
}

Semantic roles & 50–950 ramp

primary

#2B4D7E

secondary

#AD8A58

accent

#A04FD9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2B4D7E

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

Preview Lab → · Contrast checker → · Palette generator →