#2B357D#2B357D

#2B357D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.122 H 272.9°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#2B357D
RGB	rgb(43, 53, 125)
HSL	hsl(233, 49%, 33%)
HSV	hsv(233, 66%, 49%)
CMYK	cmyk(65.6%, 57.6%, 0%, 51%)
CIE-LAB	lab(25.38, 20.38, -42.27)
CIE-LCH	lch(25.38, 46.92, 295.74°)
OKLab	oklab(36.46% 0.0061 -0.1214)
OKLCH	oklch(36.46% 0.122 272.9)
XYZ	xyz(5.9698, 4.5400, 19.9598)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B357D #7D732B

analogous

#2B5E7D #2B357D #4A2B7D

triadic

#2B357D #7D2B35 #357D2B

tetradic

#2B357D #7D2B5E #7D732B #2B7D4A

square

#2B357D #7D2B5E #7D732B #2B7D4A

split-complementary

#2B357D #7D4A2B #5E7D2B

monochromatic

#0C0E22 #1B224F #2B357D #3B48AB #5C69C7

Accessibility & contrast

On white

11.01

#2B357D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2B357D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B357D

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B357D	#FFFFFF	#000000	##FFFFFF
##2B357D	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00407F

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b357d;
/* rgb */ color: rgb(43, 53, 125);
/* oklch */ color: oklch(36.5% 0.122 272.9);

Tailwind

colors: {
  custom: {
    50: '#6e6ca3',
    500: '#2b357d',
    950: '#000000',
  },
}

SCSS

$custom: #2b357d;
$custom-light: #6e6ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b357d",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 125
  },
  "hsl": {
    "h": 232.683,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36465,
    "c": 0.12158,
    "h": 272.9
  },
  "luminance": 0.0454
}

Semantic roles & 50–950 ramp

primary

#2B357D

secondary

#ADA257

accent

#C84FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2B357D

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

Preview Lab → · Contrast checker → · Palette generator →