#2F91BB#2F91BB

#2F91BB is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.9% C 0.108 H 231.0°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#2F91BB
RGB	rgb(47, 145, 187)
HSL	hsl(198, 60%, 46%)
HSV	hsv(198, 75%, 73%)
CMYK	cmyk(74.9%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(56.53, -13.92, -29.92)
CIE-LCH	lch(56.53, 33.00, 245.06°)
OKLab	oklab(61.92% -0.0681 -0.0841)
OKLCH	oklch(61.92% 0.108 231)
XYZ	xyz(20.2637, 24.4406, 50.6536)
Luminance	0.2444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F91BB #BB592F

analogous

#2FBB9F #2F91BB #2F4BBB

triadic

#2F91BB #BB2F91 #91BB2F

tetradic

#2F91BB #9F2FBB #BB592F #4BBB2F

square

#2F91BB #9F2FBB #BB592F #4BBB2F

split-complementary

#2F91BB #BB2F4B #BB9F2F

monochromatic

#164559 #236B8A #2F91BB #53ADD4 #84C5E0

Accessibility & contrast

On white

3.57

#2F91BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#2F91BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2F91BB

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F91BB	#FFFFFF	#000000	##000000
##2F91BB	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBD

Deuteranopia (green-blind)

#6982BA

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #2f91bb;
/* rgb */ color: rgb(47, 145, 187);
/* oklch */ color: oklch(61.9% 0.108 231.0);

Tailwind

colors: {
  custom: {
    50: '#7bb1cf',
    500: '#2f91bb',
    950: '#000000',
  },
}

SCSS

$custom: #2f91bb;
$custom-light: #7bb1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f91bb",
  "rgb": {
    "r": 47,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 198,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.61918,
    "c": 0.10826,
    "h": 231
  },
  "luminance": 0.24443
}

Semantic roles & 50–950 ramp

primary

#2F91BB

secondary

#C9937C

accent

#7445E3

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #2F91BB

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

Preview Lab → · Contrast checker → · Palette generator →