#2D437B#2D437B

#2D437B is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.5% C 0.099 H 265.9°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#2D437B
RGB	rgb(45, 67, 123)
HSL	hsl(223, 46%, 33%)
HSV	hsv(223, 63%, 48%)
CMYK	cmyk(63.4%, 45.5%, 0%, 51.8%)
CIE-LAB	lab(29.42, 10.41, -34.51)
CIE-LCH	lch(29.42, 36.05, 286.78°)
OKLab	oklab(39.51% -0.007 -0.0984)
OKLCH	oklch(39.51% 0.099 265.9)
XYZ	xyz(6.6633, 6.0017, 19.5423)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D437B #7B652D

analogous

#2D6A7B #2D437B #3E2D7B

triadic

#2D437B #7B2D43 #437B2D

tetradic

#2D437B #7B2D6A #7B652D #2D7B3E

square

#2D437B #7B2D6A #7B652D #2D7B3E

split-complementary

#2D437B #7B3E2D #6A7B2D

monochromatic

#0C1221 #1D2B4E #2D437B #3D5BA8 #5E7BC4

Accessibility & contrast

On white

9.54

#2D437B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2D437B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D437B

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D437B	#FFFFFF	#000000	##FFFFFF
##2D437B	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29497D

Deuteranopia (green-blind)

#1E427A

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2d437b;
/* rgb */ color: rgb(45, 67, 123);
/* oklch */ color: oklch(39.5% 0.099 265.9);

Tailwind

colors: {
  custom: {
    50: '#6e76a1',
    500: '#2d437b',
    950: '#000000',
  },
}

SCSS

$custom: #2d437b;
$custom-light: #6e76a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d437b",
  "rgb": {
    "r": 45,
    "g": 67,
    "b": 123
  },
  "hsl": {
    "h": 223.077,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.39513,
    "c": 0.09864,
    "h": 265.9
  },
  "luminance": 0.06002
}

Semantic roles & 50–950 ramp

primary

#2D437B

secondary

#AB9459

accent

#B152D6

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2D437B

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

Preview Lab → · Contrast checker → · Palette generator →