#2B357E#2B357E

#2B357E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.5% C 0.123 H 272.9°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B357E
RGB	rgb(43, 53, 126)
HSL	hsl(233, 49%, 33%)
HSV	hsv(233, 66%, 49%)
CMYK	cmyk(65.9%, 57.9%, 0%, 50.6%)
CIE-LAB	lab(25.46, 20.76, -42.77)
CIE-LCH	lch(25.46, 47.54, 295.89°)
OKLab	oklab(36.55% 0.0061 -0.1229)
OKLCH	oklch(36.55% 0.123 272.9)
XYZ	xyz(6.0340, 4.5656, 20.2979)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B357E #7E742B

analogous

#2B5E7E #2B357E #4A2B7E

triadic

#2B357E #7E2B35 #357E2B

tetradic

#2B357E #7E2B5E #7E742B #2B7E4A

square

#2B357E #7E2B5E #7E742B #2B7E4A

split-complementary

#2B357E #7E4A2B #5E7E2B

monochromatic

#0C0F23 #1B2250 #2B357E #3B48AC #5C69C7

Accessibility & contrast

On white

10.98

#2B357E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2B357E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B357E

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B357E	#FFFFFF	#000000	##FFFFFF
##2B357E	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004080

Deuteranopia (green-blind)

#00397D

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b357e;
/* rgb */ color: rgb(43, 53, 126);
/* oklch */ color: oklch(36.5% 0.123 272.9);

Tailwind

colors: {
  custom: {
    50: '#6e6ca4',
    500: '#2b357e',
    950: '#000000',
  },
}

SCSS

$custom: #2b357e;
$custom-light: #6e6ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b357e",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 126
  },
  "hsl": {
    "h": 232.771,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36548,
    "c": 0.12306,
    "h": 272.9
  },
  "luminance": 0.04566
}

Semantic roles & 50–950 ramp

primary

#2B357E

secondary

#ADA358

accent

#C84FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2B357E

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

Preview Lab → · Contrast checker → · Palette generator →