#2B30B1#2B30B1

#2B30B1 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.5% C 0.198 H 271.7°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#2B30B1
RGB	rgb(43, 48, 177)
HSL	hsl(238, 61%, 43%)
HSV	hsv(238, 76%, 69%)
CMYK	cmyk(75.7%, 72.9%, 0%, 30.6%)
CIE-LAB	lab(28.90, 42.38, -68.37)
CIE-LCH	lch(28.90, 80.44, 301.79°)
OKLab	oklab(40.49% 0.0059 -0.1979)
OKLCH	oklch(40.49% 0.198 271.7)
XYZ	xyz(9.9863, 5.8008, 42.1798)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.30

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B30B1 #B1AC2B

analogous

#2B73B1 #2B30B1 #692BB1

triadic

#2B30B1 #B12B30 #30B12B

tetradic

#2B30B1 #B12B73 #B1AC2B #2BB169

square

#2B30B1 #B12B73 #B1AC2B #2BB169

split-complementary

#2B30B1 #B1692B #73B12B

monochromatic

#13154F #1F2380 #2B30B1 #474CD2 #787CDE

Accessibility & contrast

On white

9.72

#2B30B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2B30B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B30B1

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B30B1	#FFFFFF	#000000	##FFFFFF
##2B30B1	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB5

Deuteranopia (green-blind)

#003EAF

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b30b1;
/* rgb */ color: rgb(43, 48, 177);
/* oklch */ color: oklch(40.5% 0.198 271.7);

Tailwind

colors: {
  custom: {
    50: '#7b69ca',
    500: '#2b30b1',
    950: '#000000',
  },
}

SCSS

$custom: #2b30b1;
$custom-light: #7b69ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b30b1",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 177
  },
  "hsl": {
    "h": 237.761,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40488,
    "c": 0.198,
    "h": 271.7
  },
  "luminance": 0.05802
}

Semantic roles & 50–950 ramp

primary

#2B30B1

secondary

#C6C372

accent

#DE44E4

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2B30B1

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

Preview Lab → · Contrast checker → · Palette generator →