#2D538B#2D538B

#2D538B is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.3% C 0.102 H 258.0°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#2D538B
RGB	rgb(45, 83, 139)
HSL	hsl(216, 51%, 36%)
HSV	hsv(216, 68%, 55%)
CMYK	cmyk(67.6%, 40.3%, 0%, 45.5%)
CIE-LAB	lab(35.22, 5.72, -35.16)
CIE-LCH	lch(35.22, 35.62, 279.24°)
OKLab	oklab(44.31% -0.0212 -0.1001)
OKLCH	oklch(44.31% 0.102 258)
XYZ	xyz(8.8340, 8.6076, 25.6170)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D538B #8B652D

analogous

#2D828B #2D538B #362D8B

triadic

#2D538B #8B2D53 #538B2D

tetradic

#2D538B #8B2D82 #8B652D #2D8B36

square

#2D538B #8B2D82 #8B652D #2D8B36

split-complementary

#2D538B #8B362D #828B2D

monochromatic

#0F1C2F #1E375D #2D538B #3C6FB9 #658FCD

Accessibility & contrast

On white

7.72

#2D538B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2D538B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D538B

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D538B	#FFFFFF	#000000	##FFFFFF
##2D538B	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A588D

Deuteranopia (green-blind)

#2C4F8A

Tritanopia (blue-blind)

#006068

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2d538b;
/* rgb */ color: rgb(45, 83, 139);
/* oklch */ color: oklch(44.3% 0.102 258.0);

Tailwind

colors: {
  custom: {
    50: '#7083ad',
    500: '#2d538b',
    950: '#000000',
  },
}

SCSS

$custom: #2d538b;
$custom-light: #7083ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2d538b",
  "rgb": {
    "r": 45,
    "g": 83,
    "b": 139
  },
  "hsl": {
    "h": 215.745,
    "s": 51.087,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44309,
    "c": 0.10229,
    "h": 258
  },
  "luminance": 0.08608
}

Semantic roles & 50–950 ramp

primary

#2D538B

secondary

#B49260

accent

#A14DDB

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2D538B

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

Preview Lab → · Contrast checker → · Palette generator →