#2B5DAE#2B5DAE

#2B5DAE is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.140 H 259.7°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B5DAE
RGB	rgb(43, 93, 174)
HSL	hsl(217, 60%, 43%)
HSV	hsv(217, 75%, 68%)
CMYK	cmyk(75.3%, 46.6%, 0%, 31.8%)
CIE-LAB	lab(40.24, 12.17, -48.13)
CIE-LCH	lch(40.24, 49.64, 284.20°)
OKLab	oklab(48.86% -0.0252 -0.138)
OKLCH	oklch(48.86% 0.14 259.7)
XYZ	xyz(12.5478, 11.3969, 41.5747)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5DAE #AE7C2B

analogous

#2B9FAE #2B5DAE #3A2BAE

triadic

#2B5DAE #AE2B5D #5DAE2B

tetradic

#2B5DAE #AE2B9F #AE7C2B #2BAE3A

square

#2B5DAE #AE2B9F #AE7C2B #2BAE3A

split-complementary

#2B5DAE #AE3A2B #9FAE2B

monochromatic

#13294C #1F437D #2B5DAE #457BD1 #769EDD

Accessibility & contrast

On white

6.40

#2B5DAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#2B5DAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5DAE

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5DAE	#FFFFFF	#000000	##FFFFFF
##2B5DAE	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3265B1

Deuteranopia (green-blind)

#1359AC

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5dae;
/* rgb */ color: rgb(43, 93, 174);
/* oklch */ color: oklch(48.9% 0.140 259.7);

Tailwind

colors: {
  custom: {
    50: '#778ac7',
    500: '#2b5dae',
    950: '#000000',
  },
}

SCSS

$custom: #2b5dae;
$custom-light: #778ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5dae",
  "rgb": {
    "r": 43,
    "g": 93,
    "b": 174
  },
  "hsl": {
    "h": 217.099,
    "s": 60.369,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48864,
    "c": 0.1403,
    "h": 259.7
  },
  "luminance": 0.11398
}

Semantic roles & 50–950 ramp

primary

#2B5DAE

secondary

#C5A470

accent

#A744E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5DAE

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

Preview Lab → · Contrast checker → · Palette generator →