#2B3570#2B3570

#2B3570 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.4% C 0.102 H 272.9°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B3570
RGB	rgb(43, 53, 112)
HSL	hsl(231, 45%, 30%)
HSV	hsv(231, 62%, 44%)
CMYK	cmyk(61.6%, 52.7%, 0%, 56.1%)
CIE-LAB	lab(24.42, 15.52, -35.57)
CIE-LCH	lch(24.42, 38.81, 293.58°)
OKLab	oklab(35.43% 0.0051 -0.1017)
OKLCH	oklch(35.43% 0.102 272.9)
XYZ	xyz(5.1930, 4.2293, 15.8688)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3570 #70662B

analogous

#2B5770 #2B3570 #432B70

triadic

#2B3570 #702B35 #35702B

tetradic

#2B3570 #702B57 #70662B #2B7043

square

#2B3570 #702B57 #70662B #2B7043

split-complementary

#2B3570 #70432B #57702B

monochromatic

#090B18 #1A2044 #2B3570 #3C4A9C #5766BE

Accessibility & contrast

On white

11.38

#2B3570 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2B3570 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3570

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3570	#FFFFFF	#000000	##FFFFFF
##2B3570	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163D72

Deuteranopia (green-blind)

#08376F

Tritanopia (blue-blind)

#00424D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b3570;
/* rgb */ color: rgb(43, 53, 112);
/* oklch */ color: oklch(35.4% 0.102 272.9);

Tailwind

colors: {
  custom: {
    50: '#6b6c99',
    500: '#2b3570',
    950: '#000000',
  },
}

SCSS

$custom: #2b3570;
$custom-light: #6b6c99;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3570",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 112
  },
  "hsl": {
    "h": 231.304,
    "s": 44.516,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3543,
    "c": 0.10186,
    "h": 272.9
  },
  "luminance": 0.0423
}

Semantic roles & 50–950 ramp

primary

#2B3570

secondary

#A29755

accent

#C254D4

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B3570

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

Preview Lab → · Contrast checker → · Palette generator →