#2B4D88#2B4D88

#2B4D88 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.6% C 0.106 H 260.6°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D88
RGB	rgb(43, 77, 136)
HSL	hsl(218, 52%, 35%)
HSV	hsv(218, 68%, 53%)
CMYK	cmyk(68.4%, 43.4%, 0%, 46.7%)
CIE-LAB	lab(33.13, 8.19, -36.65)
CIE-LCH	lch(33.13, 37.56, 282.60°)
OKLab	oklab(42.61% -0.0172 -0.1046)
OKLCH	oklch(42.61% 0.106 260.6)
XYZ	xyz(8.0925, 7.5981, 24.3279)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D88 #88662B

analogous

#2B7B88 #2B4D88 #382B88

triadic

#2B4D88 #882B4D #4D882B

tetradic

#2B4D88 #882B7B #88662B #2B8838

square

#2B4D88 #882B7B #88662B #2B8838

split-complementary

#2B4D88 #88382B #7B882B

monochromatic

#0E182B #1C335A #2B4D88 #3A67B6 #6188CD

Accessibility & contrast

On white

8.33

#2B4D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2B4D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D88

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D88	#FFFFFF	#000000	##FFFFFF
##2B4D88	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32538A

Deuteranopia (green-blind)

#234A87

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b4d88;
/* rgb */ color: rgb(43, 77, 136);
/* oklch */ color: oklch(42.6% 0.106 260.6);

Tailwind

colors: {
  custom: {
    50: '#6f7eab',
    500: '#2b4d88',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d88;
$custom-light: #6f7eab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d88",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 136
  },
  "hsl": {
    "h": 218.065,
    "s": 51.955,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42609,
    "c": 0.10597,
    "h": 260.6
  },
  "luminance": 0.07599
}

Semantic roles & 50–950 ramp

primary

#2B4D88

secondary

#B3935C

accent

#A74CDB

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4D88

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

Preview Lab → · Contrast checker → · Palette generator →