#2F5FB4#2F5FB4

#2F5FB4 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.9% C 0.145 H 260.9°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#2F5FB4
RGB	rgb(47, 95, 180)
HSL	hsl(218, 59%, 45%)
HSV	hsv(218, 74%, 71%)
CMYK	cmyk(73.9%, 47.2%, 0%, 29.4%)
CIE-LAB	lab(41.35, 13.69, -49.87)
CIE-LCH	lch(41.35, 51.72, 285.35°)
OKLab	oklab(49.88% -0.023 -0.143)
OKLCH	oklch(49.88% 0.145 260.9)
XYZ	xyz(13.4998, 12.0826, 44.7919)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5FB4 #B4842F

analogous

#2FA2B4 #2F5FB4 #422FB4

triadic

#2F5FB4 #B42F5F #5FB42F

tetradic

#2F5FB4 #B42FA2 #B4842F #2FB442

square

#2F5FB4 #B42FA2 #B4842F #2FB442

split-complementary

#2F5FB4 #B4422F #A2B42F

monochromatic

#162C53 #224583 #2F5FB4 #4F7ED1 #80A2DE

Accessibility & contrast

On white

6.15

#2F5FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#2F5FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5FB4

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5FB4	#FFFFFF	#000000	##FFFFFF
##2F5FB4	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3168B7

Deuteranopia (green-blind)

#0F5CB2

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2f5fb4;
/* rgb */ color: rgb(47, 95, 180);
/* oklch */ color: oklch(49.9% 0.145 260.9);

Tailwind

colors: {
  custom: {
    50: '#798bcb',
    500: '#2f5fb4',
    950: '#000000',
  },
}

SCSS

$custom: #2f5fb4;
$custom-light: #798bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5fb4",
  "rgb": {
    "r": 47,
    "g": 95,
    "b": 180
  },
  "hsl": {
    "h": 218.346,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4988,
    "c": 0.14489,
    "h": 260.9
  },
  "luminance": 0.12084
}

Semantic roles & 50–950 ramp

primary

#2F5FB4

secondary

#C7AA78

accent

#AA46E2

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F5FB4

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

Preview Lab → · Contrast checker → · Palette generator →