#2B5FB0#2B5FB0

#2B5FB0 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.4% C 0.141 H 259.1°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FB0
RGB	rgb(43, 95, 176)
HSL	hsl(217, 61%, 43%)
HSV	hsv(217, 76%, 69%)
CMYK	cmyk(75.6%, 46%, 0%, 31%)
CIE-LAB	lab(40.95, 11.64, -48.17)
CIE-LCH	lch(40.95, 49.56, 283.58°)
OKLab	oklab(49.45% -0.0266 -0.1381)
OKLCH	oklch(49.45% 0.141 259.1)
XYZ	xyz(12.9221, 11.8311, 42.6685)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FB0 #B07C2B

analogous

#2BA2B0 #2B5FB0 #392BB0

triadic

#2B5FB0 #B02B5F #5FB02B

tetradic

#2B5FB0 #B02BA2 #B07C2B #2BB039

square

#2B5FB0 #B02BA2 #B07C2B #2BB039

split-complementary

#2B5FB0 #B0392B #A2B02B

monochromatic

#132A4E #1F447F #2B5FB0 #467DD2 #78A0DE

Accessibility & contrast

On white

6.24

#2B5FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#2B5FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FB0

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FB0	#FFFFFF	#000000	##FFFFFF
##2B5FB0	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3567B3

Deuteranopia (green-blind)

#175BAE

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2b5fb0;
/* rgb */ color: rgb(43, 95, 176);
/* oklch */ color: oklch(49.4% 0.141 259.1);

Tailwind

colors: {
  custom: {
    50: '#778bc8',
    500: '#2b5fb0',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fb0;
$custom-light: #778bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fb0",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 216.541,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49449,
    "c": 0.14065,
    "h": 259.1
  },
  "luminance": 0.11833
}

Semantic roles & 50–950 ramp

primary

#2B5FB0

secondary

#C6A571

accent

#A544E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B5FB0

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

Preview Lab → · Contrast checker → · Palette generator →