#2D387B#2D387B

#2D387B is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.1% C 0.114 H 272.6°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#2D387B
RGB	rgb(45, 56, 123)
HSL	hsl(232, 46%, 33%)
HSV	hsv(232, 63%, 48%)
CMYK	cmyk(63.4%, 54.5%, 0%, 51.8%)
CIE-LAB	lab(26.20, 17.95, -39.67)
CIE-LCH	lch(26.20, 43.54, 294.35°)
OKLab	oklab(37.07% 0.0052 -0.1137)
OKLCH	oklch(37.07% 0.114 272.6)
XYZ	xyz(6.0703, 4.8158, 19.3447)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D387B #7B702D

analogous

#2D5F7B #2D387B #492D7B

triadic

#2D387B #7B2D38 #387B2D

tetradic

#2D387B #7B2D5F #7B702D #2D7B49

square

#2D387B #7B2D5F #7B702D #2D7B49

split-complementary

#2D387B #7B492D #5F7B2D

monochromatic

#0C0F21 #1D244E #2D387B #3D4CA8 #5E6DC4

Accessibility & contrast

On white

10.70

#2D387B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2D387B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D387B

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D387B	#FFFFFF	#000000	##FFFFFF
##2D387B	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10427D

Deuteranopia (green-blind)

#003B7A

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d387b;
/* rgb */ color: rgb(45, 56, 123);
/* oklch */ color: oklch(37.1% 0.114 272.6);

Tailwind

colors: {
  custom: {
    50: '#6e6ea2',
    500: '#2d387b',
    950: '#000000',
  },
}

SCSS

$custom: #2d387b;
$custom-light: #6e6ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d387b",
  "rgb": {
    "r": 45,
    "g": 56,
    "b": 123
  },
  "hsl": {
    "h": 231.538,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37068,
    "c": 0.11382,
    "h": 272.6
  },
  "luminance": 0.04816
}

Semantic roles & 50–950 ramp

primary

#2D387B

secondary

#AB9F59

accent

#C352D6

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2D387B

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

Preview Lab → · Contrast checker → · Palette generator →