#2B4F88#2B4F88

#2B4F88 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.1% C 0.104 H 259.2°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#2B4F88
RGB	rgb(43, 79, 136)
HSL	hsl(217, 52%, 35%)
HSV	hsv(217, 68%, 53%)
CMYK	cmyk(68.4%, 41.9%, 0%, 46.7%)
CIE-LAB	lab(33.74, 6.86, -35.69)
CIE-LCH	lch(33.74, 36.34, 280.88°)
OKLab	oklab(43.08% -0.0193 -0.1017)
OKLCH	oklch(43.08% 0.104 259.2)
XYZ	xyz(8.2346, 7.8823, 24.3753)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4F88 #88642B

analogous

#2B7D88 #2B4F88 #352B88

triadic

#2B4F88 #882B4F #4F882B

tetradic

#2B4F88 #882B7D #88642B #2B8835

square

#2B4F88 #882B7D #88642B #2B8835

split-complementary

#2B4F88 #88352B #7D882B

monochromatic

#0E192B #1C345A #2B4F88 #3A6AB6 #618ACD

Accessibility & contrast

On white

8.15

#2B4F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2B4F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4F88

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4F88	#FFFFFF	#000000	##FFFFFF
##2B4F88	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35548A

Deuteranopia (green-blind)

#274B87

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4f88;
/* rgb */ color: rgb(43, 79, 136);
/* oklch */ color: oklch(43.1% 0.104 259.2);

Tailwind

colors: {
  custom: {
    50: '#6f7fab',
    500: '#2b4f88',
    950: '#000000',
  },
}

SCSS

$custom: #2b4f88;
$custom-light: #6f7fab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4f88",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 136
  },
  "hsl": {
    "h": 216.774,
    "s": 51.955,
    "l": 35.098
  },
  "oklch": {
    "l": 0.43077,
    "c": 0.10352,
    "h": 259.2
  },
  "luminance": 0.07883
}

Semantic roles & 50–950 ramp

primary

#2B4F88

secondary

#B3915C

accent

#A44CDB

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B4F88

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

Preview Lab → · Contrast checker → · Palette generator →