#2F5DB2#2F5DB2

#2F5DB2 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.145 H 261.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F5DB2
RGB	rgb(47, 93, 178)
HSL	hsl(219, 58%, 44%)
HSV	hsv(219, 74%, 70%)
CMYK	cmyk(73.6%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(40.65, 14.23, -49.82)
CIE-LCH	lch(40.65, 51.81, 285.94°)
OKLab	oklab(49.3% -0.0216 -0.1429)
OKLCH	oklch(49.3% 0.145 261.4)
XYZ	xyz(13.1196, 11.6460, 43.6673)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5DB2 #B2842F

analogous

#2F9FB2 #2F5DB2 #432FB2

triadic

#2F5DB2 #B22F5D #5DB22F

tetradic

#2F5DB2 #B22F9F #B2842F #2FB243

square

#2F5DB2 #B22F9F #B2842F #2FB243

split-complementary

#2F5DB2 #B2432F #9FB22F

monochromatic

#152A51 #224482 #2F5DB2 #4E7CD0 #7EA0DD

Accessibility & contrast

On white

6.31

#2F5DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#2F5DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5DB2

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5DB2	#FFFFFF	#000000	##FFFFFF
##2F5DB2	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F66B5

Deuteranopia (green-blind)

#0A5AB0

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2f5db2;
/* rgb */ color: rgb(47, 93, 178);
/* oklch */ color: oklch(49.3% 0.145 261.4);

Tailwind

colors: {
  custom: {
    50: '#798ac9',
    500: '#2f5db2',
    950: '#000000',
  },
}

SCSS

$custom: #2f5db2;
$custom-light: #798ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5db2",
  "rgb": {
    "r": 47,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 218.931,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.49301,
    "c": 0.14457,
    "h": 261.4
  },
  "luminance": 0.11647
}

Semantic roles & 50–950 ramp

primary

#2F5DB2

secondary

#C6AA77

accent

#AB46E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F5DB2

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

Preview Lab → · Contrast checker → · Palette generator →