#2B4D7F#2B4D7F

#2B4D7F is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.0% C 0.093 H 258.0°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D7F
RGB	rgb(43, 77, 127)
HSL	hsl(216, 49%, 33%)
HSV	hsv(216, 66%, 50%)
CMYK	cmyk(66.1%, 39.4%, 0%, 50.2%)
CIE-LAB	lab(32.60, 4.79, -31.95)
CIE-LCH	lch(32.60, 32.31, 278.53°)
OKLab	oklab(42.02% -0.0193 -0.0908)
OKLCH	oklch(42.02% 0.093 258)
XYZ	xyz(7.4795, 7.3529, 21.0996)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D7F #7F5D2B

analogous

#2B777F #2B4D7F #332B7F

triadic

#2B4D7F #7F2B4D #4D7F2B

tetradic

#2B4D7F #7F2B77 #7F5D2B #2B7F33

square

#2B4D7F #7F2B77 #7F5D2B #2B7F33

split-complementary

#2B4D7F #7F332B #777F2B

monochromatic

#0C1624 #1C3151 #2B4D7F #3A69AD #5C88C8

Accessibility & contrast

On white

8.50

#2B4D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2B4D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D7F

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D7F	#FFFFFF	#000000	##FFFFFF
##2B4D7F	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375181

Deuteranopia (green-blind)

#2B497E

Tritanopia (blue-blind)

#005860

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4d7f;
/* rgb */ color: rgb(43, 77, 127);
/* oklch */ color: oklch(42.0% 0.093 258.0);

Tailwind

colors: {
  custom: {
    50: '#6d7ea4',
    500: '#2b4d7f',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d7f;
$custom-light: #6d7ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d7f",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 127
  },
  "hsl": {
    "h": 215.714,
    "s": 49.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42021,
    "c": 0.09281,
    "h": 258
  },
  "luminance": 0.07354
}

Semantic roles & 50–950 ramp

primary

#2B4D7F

secondary

#AE8B58

accent

#A14FD9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2B4D7F

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

Preview Lab → · Contrast checker → · Palette generator →