#2A307E#2A307E

#2A307E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.5% C 0.130 H 274.3°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#2A307E
RGB	rgb(42, 48, 126)
HSL	hsl(236, 50%, 33%)
HSV	hsv(236, 67%, 49%)
CMYK	cmyk(66.7%, 61.9%, 0%, 50.6%)
CIE-LAB	lab(24.04, 24.00, -45.08)
CIE-LCH	lch(24.04, 51.07, 298.03°)
OKLab	oklab(35.47% 0.0098 -0.1298)
OKLCH	oklch(35.47% 0.13 274.3)
XYZ	xyz(5.7764, 4.1120, 20.2239)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A307E #7E782A

analogous

#2A5A7E #2A307E #4E2A7E

triadic

#2A307E #7E2A30 #307E2A

tetradic

#2A307E #7E2A5A #7E782A #2A7E4E

square

#2A307E #7E2A5A #7E782A #2A7E4E

split-complementary

#2A307E #7E4E2A #5A7E2A

monochromatic

#0B0D22 #1B1F50 #2A307E #3941AC #5A62C8

Accessibility & contrast

On white

11.52

#2A307E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2A307E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A307E

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A307E	#FFFFFF	#000000	##FFFFFF
##2A307E	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D81

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2a307e;
/* rgb */ color: rgb(42, 48, 126);
/* oklch */ color: oklch(35.5% 0.130 274.3);

Tailwind

colors: {
  custom: {
    50: '#6e68a4',
    500: '#2a307e',
    950: '#000000',
  },
}

SCSS

$custom: #2a307e;
$custom-light: #6e68a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a307e",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 126
  },
  "hsl": {
    "h": 235.714,
    "s": 50,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35473,
    "c": 0.13016,
    "h": 274.3
  },
  "luminance": 0.04113
}

Semantic roles & 50–950 ramp

primary

#2A307E

secondary

#AEA756

accent

#D04EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A307E

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

Preview Lab → · Contrast checker → · Palette generator →