#2B5E9B#2B5E9B

#2B5E9B is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.8% C 0.113 H 254.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#2B5E9B
RGB	rgb(43, 94, 155)
HSL	hsl(213, 57%, 39%)
HSV	hsv(213, 72%, 61%)
CMYK	cmyk(72.3%, 39.4%, 0%, 39.2%)
CIE-LAB	lab(39.39, 4.29, -38.21)
CIE-LCH	lch(39.39, 38.45, 276.41°)
OKLab	oklab(47.83% -0.0301 -0.1089)
OKLCH	oklch(47.83% 0.113 254.5)
XYZ	xyz(10.9132, 10.8844, 32.5297)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5E9B #9B682B

analogous

#2B969B #2B5E9B #302B9B

triadic

#2B5E9B #9B2B5E #5E9B2B

tetradic

#2B5E9B #9B2B96 #9B682B #2B9B30

square

#2B5E9B #9B2B96 #9B682B #2B9B30

split-complementary

#2B5E9B #9B302B #969B2B

monochromatic

#10243B #1E416B #2B5E9B #3B7BC9 #6B9BD6

Accessibility & contrast

On white

6.61

#2B5E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#2B5E9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5E9B

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5E9B	#FFFFFF	#000000	##FFFFFF
##2B5E9B	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42629D

Deuteranopia (green-blind)

#31589A

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2b5e9b;
/* rgb */ color: rgb(43, 94, 155);
/* oklch */ color: oklch(47.8% 0.113 254.5);

Tailwind

colors: {
  custom: {
    50: '#738bb9',
    500: '#2b5e9b',
    950: '#000000',
  },
}

SCSS

$custom: #2b5e9b;
$custom-light: #738bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5e9b",
  "rgb": {
    "r": 43,
    "g": 94,
    "b": 155
  },
  "hsl": {
    "h": 212.679,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47829,
    "c": 0.11296,
    "h": 254.5
  },
  "luminance": 0.10886
}

Semantic roles & 50–950 ramp

primary

#2B5E9B

secondary

#BC9565

accent

#9B48E0

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #2B5E9B

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

Preview Lab → · Contrast checker → · Palette generator →