#2B5178#2B5178

#2B5178 is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.6% C 0.078 H 250.7°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#2B5178
RGB	rgb(43, 81, 120)
HSL	hsl(210, 47%, 32%)
HSV	hsv(210, 64%, 47%)
CMYK	cmyk(64.2%, 32.5%, 0%, 52.9%)
CIE-LAB	lab(33.46, -0.41, -26.23)
CIE-LCH	lch(33.46, 26.24, 269.11°)
OKLab	oklab(42.57% -0.0259 -0.0741)
OKLCH	oklch(42.57% 0.078 250.7)
XYZ	xyz(7.3276, 7.7538, 18.8761)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5178 #78522B

analogous

#2B7878 #2B5178 #2C2B78

triadic

#2B5178 #782B51 #51782B

tetradic

#2B5178 #782B78 #78522B #2B782C

square

#2B5178 #782B78 #78522B #2B782C

split-complementary

#2B5178 #782C2B #78782B

monochromatic

#0B141E #1B334B #2B5178 #3B6FA5 #5A8EC4

Accessibility & contrast

On white

8.23

#2B5178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2B5178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B5178

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5178	#FFFFFF	#000000	##FFFFFF
##2B5178	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40537A

Deuteranopia (green-blind)

#364B77

Tritanopia (blue-blind)

#005A5F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b5178;
/* rgb */ color: rgb(43, 81, 120);
/* oklch */ color: oklch(42.6% 0.078 250.7);

Tailwind

colors: {
  custom: {
    50: '#6c819f',
    500: '#2b5178',
    950: '#000000',
  },
}

SCSS

$custom: #2b5178;
$custom-light: #6c819f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5178",
  "rgb": {
    "r": 43,
    "g": 81,
    "b": 120
  },
  "hsl": {
    "h": 210.39,
    "s": 47.239,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42574,
    "c": 0.07847,
    "h": 250.7
  },
  "luminance": 0.07755
}

Semantic roles & 50–950 ramp

primary

#2B5178

secondary

#AA8055

accent

#9551D7

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #2B5178

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

Preview Lab → · Contrast checker → · Palette generator →