#2F65B3#2F65B3

#2F65B3 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.1% C 0.136 H 257.9°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#2F65B3
RGB	rgb(47, 101, 179)
HSL	hsl(215, 58%, 44%)
HSV	hsv(215, 74%, 70%)
CMYK	cmyk(73.7%, 43.6%, 0%, 29.8%)
CIE-LAB	lab(43.01, 9.45, -46.62)
CIE-LCH	lch(43.01, 47.57, 281.46°)
OKLab	oklab(51.14% -0.0285 -0.1334)
OKLCH	oklch(51.14% 0.136 257.9)
XYZ	xyz(13.9597, 13.1648, 44.4444)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F65B3 #B37D2F

analogous

#2FA7B3 #2F65B3 #3B2FB3

triadic

#2F65B3 #B32F65 #65B32F

tetradic

#2F65B3 #B32FA7 #B37D2F #2FB33B

square

#2F65B3 #B32FA7 #B37D2F #2FB33B

split-complementary

#2F65B3 #B33B2F #A7B32F

monochromatic

#162E52 #224A83 #2F65B3 #4F84D1 #7FA6DD

Accessibility & contrast

On white

5.78

#2F65B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#2F65B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F65B3

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F65B3	#FFFFFF	#000000	##FFFFFF
##2F65B3	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6CB6

Deuteranopia (green-blind)

#2660B1

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2f65b3;
/* rgb */ color: rgb(47, 101, 179);
/* oklch */ color: oklch(51.1% 0.136 257.9);

Tailwind

colors: {
  custom: {
    50: '#7990ca',
    500: '#2f65b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f65b3;
$custom-light: #7990ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f65b3",
  "rgb": {
    "r": 47,
    "g": 101,
    "b": 179
  },
  "hsl": {
    "h": 215.455,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51143,
    "c": 0.13639,
    "h": 257.9
  },
  "luminance": 0.13166
}

Semantic roles & 50–950 ramp

primary

#2F65B3

secondary

#C6A678

accent

#A246E2

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F65B3

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

Preview Lab → · Contrast checker → · Palette generator →