#2D308E#2D308E

#2D308E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.1% C 0.152 H 274.8°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#2D308E
RGB	rgb(45, 48, 142)
HSL	hsl(238, 52%, 37%)
HSV	hsv(238, 68%, 56%)
CMYK	cmyk(68.3%, 66.2%, 0%, 44.3%)
CIE-LAB	lab(25.64, 30.32, -52.47)
CIE-LCH	lch(25.64, 60.59, 300.02°)
OKLab	oklab(37.13% 0.0126 -0.1514)
OKLCH	oklch(37.13% 0.152 274.8)
XYZ	xyz(7.0200, 4.6242, 26.1085)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D308E #8E8B2D

analogous

#2D618E #2D308E #5B2D8E

triadic

#2D308E #8E2D30 #308E2D

tetradic

#2D308E #8E2D61 #8E8B2D #2D8E5B

square

#2D308E #8E2D61 #8E8B2D #2D8E5B

split-complementary

#2D308E #8E5B2D #618E2D

monochromatic

#101131 #1E2060 #2D308E #3C40BC #676ACF

Accessibility & contrast

On white

10.91

#2D308E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2D308E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D308E

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D308E	#FFFFFF	#000000	##FFFFFF
##2D308E	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2d308e;
/* rgb */ color: rgb(45, 48, 142);
/* oklch */ color: oklch(37.1% 0.152 274.8);

Tailwind

colors: {
  custom: {
    50: '#7368b0',
    500: '#2d308e',
    950: '#000000',
  },
}

SCSS

$custom: #2d308e;
$custom-light: #7368b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d308e",
  "rgb": {
    "r": 45,
    "g": 48,
    "b": 142
  },
  "hsl": {
    "h": 238.144,
    "s": 51.872,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37134,
    "c": 0.1519,
    "h": 274.8
  },
  "luminance": 0.04625
}

Semantic roles & 50–950 ramp

primary

#2D308E

secondary

#B5B361

accent

#D74CDB

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2D308E

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

Preview Lab → · Contrast checker → · Palette generator →