#2D398B#2D398B

#2D398B is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.6% C 0.136 H 272.1°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#2D398B
RGB	rgb(45, 57, 139)
HSL	hsl(232, 51%, 36%)
HSV	hsv(232, 68%, 55%)
CMYK	cmyk(67.6%, 59%, 0%, 45.5%)
CIE-LAB	lab(27.70, 23.22, -47.24)
CIE-LCH	lch(27.70, 52.64, 296.18°)
OKLab	oklab(38.58% 0.005 -0.1359)
OKLCH	oklch(38.58% 0.136 272.1)
XYZ	xyz(7.2040, 5.3476, 25.0736)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D398B #8B7F2D

analogous

#2D688B #2D398B #502D8B

triadic

#2D398B #8B2D39 #398B2D

tetradic

#2D398B #8B2D68 #8B7F2D #2D8B50

square

#2D398B #8B2D68 #8B7F2D #2D8B50

split-complementary

#2D398B #8B502D #688B2D

monochromatic

#0F132F #1E265D #2D398B #3C4CB9 #6572CD

Accessibility & contrast

On white

10.15

#2D398B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2D398B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D398B

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D398B	#FFFFFF	#000000	##FFFFFF
##2D398B	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468E

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2d398b;
/* rgb */ color: rgb(45, 57, 139);
/* oklch */ color: oklch(38.6% 0.136 272.1);

Tailwind

colors: {
  custom: {
    50: '#726fae',
    500: '#2d398b',
    950: '#000000',
  },
}

SCSS

$custom: #2d398b;
$custom-light: #726fae;
$custom-dark: #000000;

JSON

{
  "hex": "#2d398b",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 139
  },
  "hsl": {
    "h": 232.34,
    "s": 51.087,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38579,
    "c": 0.13604,
    "h": 272.1
  },
  "luminance": 0.05348
}

Semantic roles & 50–950 ramp

primary

#2D398B

secondary

#B4A960

accent

#C94DDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2D398B

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

Preview Lab → · Contrast checker → · Palette generator →