#2D307E#2D307E

#2D307E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.129 H 276.0°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#2D307E
RGB	rgb(45, 48, 126)
HSL	hsl(238, 47%, 34%)
HSV	hsv(238, 64%, 49%)
CMYK	cmyk(64.3%, 61.9%, 0%, 50.6%)
CIE-LAB	lab(24.25, 24.52, -44.73)
CIE-LCH	lch(24.25, 51.01, 298.74°)
OKLab	oklab(35.69% 0.0135 -0.1287)
OKLCH	oklch(35.69% 0.129 276)
XYZ	xyz(5.9038, 4.1777, 20.2299)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D307E #7E7B2D

analogous

#2D587E #2D307E #522D7E

triadic

#2D307E #7E2D30 #307E2D

tetradic

#2D307E #7E2D58 #7E7B2D #2D7E52

square

#2D307E #7E2D58 #7E7B2D #2D7E52

split-complementary

#2D307E #7E522D #587E2D

monochromatic

#0D0E24 #1D1F51 #2D307E #3D41AB #5F63C6

Accessibility & contrast

On white

11.44

#2D307E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2D307E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D307E

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D307E	#FFFFFF	#000000	##FFFFFF
##2D307E	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D81

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2d307e;
/* rgb */ color: rgb(45, 48, 126);
/* oklch */ color: oklch(35.7% 0.129 276.0);

Tailwind

colors: {
  custom: {
    50: '#7068a4',
    500: '#2d307e',
    950: '#000000',
  },
}

SCSS

$custom: #2d307e;
$custom-light: #7068a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2d307e",
  "rgb": {
    "r": 45,
    "g": 48,
    "b": 126
  },
  "hsl": {
    "h": 237.778,
    "s": 47.368,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35685,
    "c": 0.12936,
    "h": 276
  },
  "luminance": 0.04178
}

Semantic roles & 50–950 ramp

primary

#2D307E

secondary

#ACA95A

accent

#D251D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2D307E

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

Preview Lab → · Contrast checker → · Palette generator →