#2B5D9B#2B5D9B

#2B5D9B is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.6% C 0.114 H 255.2°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#2B5D9B
RGB	rgb(43, 93, 155)
HSL	hsl(213, 57%, 39%)
HSV	hsv(213, 72%, 61%)
CMYK	cmyk(72.3%, 40%, 0%, 39.2%)
CIE-LAB	lab(39.08, 4.93, -38.69)
CIE-LCH	lch(39.08, 39.00, 277.26°)
OKLab	oklab(47.59% -0.0291 -0.1103)
OKLCH	oklch(47.59% 0.114 255.2)
XYZ	xyz(10.8248, 10.7077, 32.5003)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5D9B #9B692B

analogous

#2B959B #2B5D9B #312B9B

triadic

#2B5D9B #9B2B5D #5D9B2B

tetradic

#2B5D9B #9B2B95 #9B692B #2B9B31

square

#2B5D9B #9B2B95 #9B692B #2B9B31

split-complementary

#2B5D9B #9B312B #959B2B

monochromatic

#10243B #1E406B #2B5D9B #3B7AC9 #6B9AD6

Accessibility & contrast

On white

6.68

#2B5D9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#2B5D9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5D9B

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5D9B	#FFFFFF	#000000	##FFFFFF
##2B5D9B	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40629D

Deuteranopia (green-blind)

#2F579A

Tritanopia (blue-blind)

#006B74

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2b5d9b;
/* rgb */ color: rgb(43, 93, 155);
/* oklch */ color: oklch(47.6% 0.114 255.2);

Tailwind

colors: {
  custom: {
    50: '#738ab9',
    500: '#2b5d9b',
    950: '#000000',
  },
}

SCSS

$custom: #2b5d9b;
$custom-light: #738ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5d9b",
  "rgb": {
    "r": 43,
    "g": 93,
    "b": 155
  },
  "hsl": {
    "h": 213.214,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47594,
    "c": 0.11407,
    "h": 255.2
  },
  "luminance": 0.10709
}

Semantic roles & 50–950 ramp

primary

#2B5D9B

secondary

#BC9665

accent

#9C48E0

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #2B5D9B

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

Preview Lab → · Contrast checker → · Palette generator →