#2B538F#2B538F

#2B538F is a dark, moderate blue. Relative luminance 0.087; OKLCH L 44.5% C 0.109 H 258.4°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#2B538F
RGB	rgb(43, 83, 143)
HSL	hsl(216, 54%, 36%)
HSV	hsv(216, 70%, 56%)
CMYK	cmyk(69.9%, 42%, 0%, 43.9%)
CIE-LAB	lab(35.37, 6.88, -37.37)
CIE-LCH	lch(35.37, 38.00, 280.43°)
OKLab	oklab(44.48% -0.0219 -0.1066)
OKLCH	oklch(44.48% 0.109 258.4)
XYZ	xyz(9.0457, 8.6824, 27.1804)
Luminance	0.0868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B538F #8F672B

analogous

#2B858F #2B538F #352B8F

triadic

#2B538F #8F2B53 #538F2B

tetradic

#2B538F #8F2B85 #8F672B #2B8F35

square

#2B538F #8F2B85 #8F672B #2B8F35

split-complementary

#2B538F #8F352B #858F2B

monochromatic

#0F1C31 #1D3860 #2B538F #396EBE #648FD0

Accessibility & contrast

On white

7.67

#2B538F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#2B538F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B538F

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B538F	#FFFFFF	#000000	##FFFFFF
##2B538F	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375891

Deuteranopia (green-blind)

#274F8E

Tritanopia (blue-blind)

#00616A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2b538f;
/* rgb */ color: rgb(43, 83, 143);
/* oklch */ color: oklch(44.5% 0.109 258.4);

Tailwind

colors: {
  custom: {
    50: '#7082b0',
    500: '#2b538f',
    950: '#000000',
  },
}

SCSS

$custom: #2b538f;
$custom-light: #7082b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b538f",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 143
  },
  "hsl": {
    "h": 216,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.44476,
    "c": 0.10881,
    "h": 258.4
  },
  "luminance": 0.08683
}

Semantic roles & 50–950 ramp

primary

#2B538F

secondary

#B7945F

accent

#A34BDD

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B538F

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

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