#2B3F8E#2B3F8E

#2B3F8E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.9% C 0.133 H 268.9°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B3F8E
RGB	rgb(43, 63, 142)
HSL	hsl(228, 54%, 36%)
HSV	hsv(228, 70%, 56%)
CMYK	cmyk(69.7%, 55.6%, 0%, 44.3%)
CIE-LAB	lab(29.47, 19.95, -46.24)
CIE-LCH	lch(29.47, 50.36, 293.34°)
OKLab	oklab(39.94% -0.0026 -0.133)
OKLCH	oklch(39.94% 0.133 268.9)
XYZ	xyz(7.6546, 6.0209, 26.3447)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3F8E #8E7A2B

analogous

#2B718E #2B3F8E #492B8E

triadic

#2B3F8E #8E2B3F #3F8E2B

tetradic

#2B3F8E #8E2B71 #8E7A2B #2B8E49

square

#2B3F8E #8E2B71 #8E7A2B #2B8E49

split-complementary

#2B3F8E #8E492B #718E2B

monochromatic

#0F1530 #1D2A5F #2B3F8E #3954BD #6379D0

Accessibility & contrast

On white

9.53

#2B3F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2B3F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3F8E

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3F8E	#FFFFFF	#000000	##FFFFFF
##2B3F8E	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024A91

Deuteranopia (green-blind)

#00418C

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b3f8e;
/* rgb */ color: rgb(43, 63, 142);
/* oklch */ color: oklch(39.9% 0.133 268.9);

Tailwind

colors: {
  custom: {
    50: '#7173b0',
    500: '#2b3f8e',
    950: '#000000',
  },
}

SCSS

$custom: #2b3f8e;
$custom-light: #7173b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3f8e",
  "rgb": {
    "r": 43,
    "g": 63,
    "b": 142
  },
  "hsl": {
    "h": 227.879,
    "s": 53.514,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39942,
    "c": 0.133,
    "h": 268.9
  },
  "luminance": 0.06022
}

Semantic roles & 50–950 ramp

primary

#2B3F8E

secondary

#B6A45F

accent

#BF4BDD

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #2B3F8E

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

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