#2B5DAF#2B5DAF

#2B5DAF is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.142 H 259.8°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B5DAF
RGB	rgb(43, 93, 175)
HSL	hsl(217, 61%, 43%)
HSV	hsv(217, 75%, 69%)
CMYK	cmyk(75.4%, 46.9%, 0%, 31.4%)
CIE-LAB	lab(40.31, 12.56, -48.61)
CIE-LCH	lch(40.31, 50.21, 284.48°)
OKLab	oklab(48.94% -0.025 -0.1394)
OKLCH	oklch(48.94% 0.142 259.8)
XYZ	xyz(12.6457, 11.4360, 42.0900)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5DAF #AF7D2B

analogous

#2B9FAF #2B5DAF #3B2BAF

triadic

#2B5DAF #AF2B5D #5DAF2B

tetradic

#2B5DAF #AF2B9F #AF7D2B #2BAF3B

square

#2B5DAF #AF2B9F #AF7D2B #2BAF3B

split-complementary

#2B5DAF #AF3B2B #9FAF2B

monochromatic

#13294D #1F437E #2B5DAF #467BD1 #779EDE

Accessibility & contrast

On white

6.39

#2B5DAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#2B5DAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5DAF

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5DAF	#FFFFFF	#000000	##FFFFFF
##2B5DAF	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3165B2

Deuteranopia (green-blind)

#1059AD

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5daf;
/* rgb */ color: rgb(43, 93, 175);
/* oklch */ color: oklch(48.9% 0.142 259.8);

Tailwind

colors: {
  custom: {
    50: '#778ac7',
    500: '#2b5daf',
    950: '#000000',
  },
}

SCSS

$custom: #2b5daf;
$custom-light: #778ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5daf",
  "rgb": {
    "r": 43,
    "g": 93,
    "b": 175
  },
  "hsl": {
    "h": 217.273,
    "s": 60.55,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48935,
    "c": 0.14168,
    "h": 259.8
  },
  "luminance": 0.11437
}

Semantic roles & 50–950 ramp

primary

#2B5DAF

secondary

#C5A570

accent

#A744E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5DAF

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

Preview Lab → · Contrast checker → · Palette generator →